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Test&

MeasurementEquipment

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Test & Measurement EquipmentContents Page

© 1996 TELEWIRE SUPPLYJ1

SOUTHEAST: Norcross, GA 800-433-3765 EAST: Rockaway, NJ 800-458-4524 MIDWEST: Rolling Meadows, ILSOUTHWEST: Irving, TX 800-643-2288 WEST: Santa Ana, CA 800-227-2869 800-428-7596

About Test & Measurement EquipmentTelewire Supply is a supplier of test and measurement equip-ment to the cable television industry. As a full line supplier,Telewire Supply carries a complement of test equipment tosatisfy the varied testing requirements found in a typical broad-band or fiber system.

This section encompasses a wide variety of test equipment,including signal level meters, volt ohm meters, cable locatingequipment and test equipment for fiber optic applications, incost ranges to satisfy many levels of testing procedures.

This section is designed as a test equipment buyer's guide andis not intended to be a design or installation guide.

Item . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page

OTDR Principles . . . . . . . . . . . . . . . . . . . . . . . . . J2-J3

Drake Signal Meter . . . . . . . . . . . . . . . . . . . . . . . . . .J4

Tektronix RFM90 Meter . . . . . . . . . . . . . . . . . . . . . . .J5

Tektronix RFM150 Signal Scout . . . . . . . . . . . . . . . .J6

Sadelco Signal Level Meters . . . . . . . . . . . . . . . .J7-J9

Sadelco White Noise Generator . . . . . . . . . . . . . . .J10

Sadelco Sadelette Meter . . . . . . . . . . . . . . . . . . . . .J11

Voltage Detector . . . . . . . . . . . . . . . . . . . . . . . . . . .J11

Gas Monitors . . . . . . . . . . . . . . . . . . . . . . . . . .J12-J13

Augat RF Leakage Detector . . . . . . . . . . . . . . . . . .J14

Telewire Supply is dedicated to meeting the requirements ofour customers by providing Quality Products and Services ona timely basis.

Quality Policy

In this section

Voltage Multimeter . . . . . . . . . . . . . . . . . . . . . .J16-J20

Drop Toners / Continuity Testers . . . . . . . . . . .J21-J26

Telephone Test Sets . . . . . . . . . . . . . . . . . . . . . . . .J27

Progressive Cable / Fault Locators . . . . . . . . .J28-J30

Dynatel Cable / Fault Locators . . . . . . . . . . . .J31-J34

Tempo (TDR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .J35

Tektronix TV110 Cable Scout™ (TDR) . . . . . . . . .J36

3M 5350 (OTDR) . . . . . . . . . . . . . . . . . . . . . . . . . .J37

Tektronix TFS3031 TekRanger (OTDR) . . . . . . . . .J38

Tektronix 2715 Spectrum Analyzer . . . . . . . . . . . . .J39

Videotek Baseband Measurement Equipment J41-J44

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Test & Measurement EquipmentIntroduction to OTDR Principles

© 1996 TELEWIRE SUPPLY J2


An Optical Time Domain Reflectometer (OTDR) is a test instru-ment for performing measurements on optical fibers. The instru-ment combines the principles of time domain reflectometry withthe unique reflection properties of an optical waveguide to providea method for measuring a number of characteristics in a fiber.

Time Domain ReflectometryA signal transmitted through a conductive medium travels throughthe medium at a known velocity. For example, when a sound wavetravels through air or water, it moves at a relatively constant speed,varying somewhat based on the density of the medium. Sonar usesthis principle to determine the distance to an object, by measuringhow long it takes a sound wave to be transmitted through water froma ship to the object and bounce back again. In a similar fashion, aradar system transmits an electromagnetic pulse, and detectsreflected pulses from distant objects. Measuring the time delaybetween the transmitted pulse and the received reflection allows theprecise distance between the radar and the object to be calculated.

Electrical impulses travel down a wire or cable at a constant speed(approximately 90% of the speed of light), determined by the con-ductive characteristics of the material. When the transmitted signalreaches the end of the wire, part of the signal is reflected backtoward the source. If the precise velocity of the transmitted signal inthe wire is known, then the distance to the end of the wire may becalculated from the time lapse. This process of launching a signalinto one end of a conductor, detecting the reflection, and using thetime difference between the transmitted signal and the reflection todetermine distance, is called time domain reflectometry (TDR).

The TDR cannot directly detect the time that the pulse reachesthe end of the wire, but it is obviously one-half of the differencebetween Time 1 and Time 3 above. So, the length of the wireabove can be calculated:

Distance = velocity x (Time 3 - Time 1) /2

Fiber SignatureThe backscatter pattern of a specific segment (or span) of optical fiber isunique. No other piece of fiber has quite the same reflection characteris-tics. The visual plot of a fiber's backscatter reflection pattern is called a sig-nature. Below is a simplified illustration of an OTDR signature of a fiber.

The line that uniformly slopes from left to right represents thebackscatter reflection of the fiber. Remember, the amount ofbackscatter light is directly proportional to the power level of lightin the fiber. At the start (left) of the signature, which represents theend of the fiber connected to the instrument, the power level of thelight and the backscatter reflection is relatively high. As the pulseof light travels down the fiber's length, a small portion of the lightis reflected at each point in the fiber, leaving less light to continuedown the fiber. Since the power level of light steadily decreasesas it travels down the fiber, the level of the backscatter reflectiondecreases as well. The amount of decrease, measured as afunction of the fiber's length, is called attenuation. Since the inten-sity of the light pulse decreases as it travels down the fiber, theamount of backscatter reflection decreases proportionally.

Therefore, by comparing the power level between two points inthe OTDR signature, the fiber's attenuation between those twopoints of the fiber can be observed.

1. Reflection from front panel connector / jumper on OTDR

2. Fusion splice (normal)

3. Reflective (mechanical) splice

4. Fusion splice (gainer)

5. Reflection from end of fiber

The length of the fiber being tested and the location of featuresis determined by plotting the signature as a function of time fromthe initial pulse launch. The OTDR converts the time lapse intodistance, based on the refractive index of the fiber. The OTDRdisplay is calibrated to indicate signal strength in dB in the verti-cal axis, and distance in miles or kilometers in the horizontalscale. Therefore, the exact distance from the end of the fiber toa specific feature, or the distance between features, can be eas-ily determined. Similarly, the optical attenuation (power loss) ateach feature and that of the overall fiber under test can also beeasily observed in the OTDR signature.

Dead ZoneObserve the illustration of an OTDR signature again. The pulsethat appears in the signature to indicate a reflective (mechani-cal) splice has a finite width. Naturally, the gap in the mechan-ical splice is not as large as the width of the pulse that appearson the signature. The size of the pulse, however, indicates thedead zone of the instrument, and this is an important conceptbecause it dictates the OTDRs ability to detect features that areclose together.

The OTDR transmits a pulse of light down the fiber. The trans-mitted light pulse has a defined pulse width; that is, the distancewithin the fiber that is occupied by the pulse at any one time.

When the transmitted light pulse encounters a reflective feature(like a mechanical splice), the reflection is much more powerfulthan normal backscatter reflections. Because the OTDRsdetector is extremely sensitive, the high-power reflection satu-rates (overwhelms) the detector for a short period of time. Untilthe detector returns to normal, it can't detect another feature inthe fiber.

The total time of the pulse width plus the detector's recoverytime is called the dead zone. It is indicated on the OTDR dis-play by the width of a pulse reflection on the signature. If thereare any features within this distance, the OTDR cannot detectthem. The normal dead zone for an OTDR is 2-1/2 times theselected pulse width.

OTDR ApplicationsBy connecting an OTDR to one end of an optical fiber orinterconnected fiber route, a signature can be acquired anddisplayed that provides the user with several significantpieces of information.

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Test & Measurement EquipmentIntroduction to OTDR Principles



1. The continuity of the fiber span or network (breaks or microbends can be seen)

2. The overall length of the fiber span or network

3. The length of individual fiber segments making up an interconnected network

4. The overall (end-to-end) loss of the fiber network,or each fiber segment

5. The location of each splice or connection point

6. The loss of each splice or connection point

7. The reflectance of splices or connections

8. The characteristic attenuation of each segment of fiber in the network

In addition, the signature of a fiber or network can be comparedto a previously acquired signature, to determine whether any-thing has changed.

With these points considered, several common applications forOTDRs are apparent.

Verifying spooled fiber cableMany communications companies and installation contractors useOTDRs to test spooled cable before it is laid. After a cable is strungor buried is the wrong time to find out it is defective or damaged.

Evaluating new cable installationsAfter fiber has been laid or strung, OTDR signatures should beacquired. These signatures will allow evaluation of the installedcable for splice and connector loss and reflectance,microbends, breaks, sectional attenuation, and other qualityassurance acceptance standards. The position in the fiber andcharacteristics of all splices and connections can be deter-mined. These reference signatures are often stored for futureuse with cable installation records for each route.

Verifying fiber performancePeriodic test of selected fibers in a cable can demonstrate thatthe cable is still coupling optical signals effectively. Outsidestress influences can sometimes be detected before catas-trophic failure occurs. For example, if the attenuation of a sec-tion of fiber increases, or an apparent fusion splice appearswhere there is none, it indicates a potential problem area.

Evaluating suspect routesIf a transmission fault is reported in an area, an OTDR can con-firm that the fiber is either working correctly, or is faulty.

Fault locationAn OTDR signature of a suspect fiber can accurately locatethe position of a fault, if a reference signature is availablefor comparison.

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Test & Measurement EquipmentSignal Meters

TSM1000 TV/SAT Signal MeterDRAKE

DescriptionThe Drake TSM TV/SAT Meter is a portable test instrumentdesigned for measuring and optimizing satellite TV receptionsystems, for measuring cable television signal levels, and formeasuring signal levels associated with off-air TV installationsin all band (FM broadcast, VHF, and UHF). Its wide measure-ment level range (up to 3 Volts in VHF and UHF) make it easyto verify the operation of the antenna or cable system, withoutthe need for external attenuators.

The TSM1000’s compact, portable size and self-containedrechargeable battery make it ideal for field installers. The unitalso comes with an external battery charger that connects to arear panel recharging connector on the instrument. The batterycharging unit operates from the nominal 115 VAC, 60 Hz ACsupply mains.

To facilitate alignment of the satellite receiving dish antenna atinstallation or for maintenance, the TSM1000 employs an auto-matic frequency sweep plus an audible tone indication of therelative measured signal level. The frequency sweep and audi-ble tone operate in the satellite band of tuning frequencies.Switchable LNB voltage of 14 or 18 Volts DC is also suppliedvia the coaxial satellite input. The LNB current can also bemeasured with the TSM1000.

On FM, VHF TV, and UHF TV bands, audio is also demod-ulated and applied to the internal speaker for easy signalidentification.

The TSM1000 also utilizes a peak detection system. The peakdetector responds to the video synchronizing pulses instead ofthe time varying video information giving installers a more sta-ble meter indication when measuring video signals. TheTSM1000 is the necessary tool for the professional installer orservice technician.

Ordering Information

Order Mfg.No. No.DRK 201731 TSM 1000



Specifications

Frequency Range Low VHF: 45—170 MHzHigh VHF: 170—450 MHZUHF: 450—862 MHzSAT: 950—2050 NHz

Frequency Display 4 digits LCD

Frequency Accuracy ±0.1% ± 1 digit

Frequency Resolution 100kHz in all VHF and UHF bands,1 MHz in the SAT band

Tuning accurate ten-turn potentiometer

Frequency Sweep ± 100 MHz around the tuning frequency(only in the SAT band)

Input Impedance 75 Ohms (50 VDC)

Input Connector* BNC for all VHF and UHF bands, F for SAT band

Measuring Level VHF/UHF: 20 mV (-34 dBmV) to 3 V (70 dBmV)SAT: -70 dBm (-20 dBmV) to -10 dBm (40 dBmV)

Measurement Accuracy ± 2 dB

(using the correction diagram provided at 20° C) Add ±1 dB in VHF and UHFbands from 100 mV to 3 V

Scale Calibration µV, mV, V, dBµV, dBm

Scale Range 10 dB

Audible Tone Indicator Frequency of tone increases with increasingreceived signal level (only in SAT band)

Audible Tone Range 20 dB

IF Bandwidth VHF and UHF: 600kHz SAT: 27 MHz

Signal Level Detection Peak detector

Audio Detection AM & FM in all VHF and UHF bandsNo demodulation in SAT band

Audio Power 220 mW (built-in loudspeaker)

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Test & Measurement EquipmentSignal Level Meters



RFM90 Signal MeterTEKTRONIX

DescriptionThe RFM90 SignalMini is a high-performance RF signal levelmeter designed to meet the demanding requirements of cableTV installation applications.

Besides providing basic level measurement capabilities, theSignalMini can measure and display Carrier-to-Noise, animportant parameter in the installation and maintenance of acable TV system. A built-in FM/AM detector, speaker, andheadphone jack are also included for easier identification of theselected channel.

The 64 user-definable frequency setups allow users to quicklycustomize the SignalMini to the key frequencies in their sys-tem. For example, the first three locations can be programmedto the lowest, middle, and highest frequency in the system.During an installation, a technician can quickly select thesechannels to verify that the signal levels are correct.Alternatively, users can scan through every channel using thebuilt-in channel table. The RFM90 comes pre-programmed todBmV and with a System M (NTSC) channel table thatincludes the standard, HRC, and IRC channels between 50MHz and 861 MHz. Alternatively, users can specify dBuV anda System B/G and System I channel table with Option 01.


Order Mfg.No. No.TKX 250536 RFM90

Specifications & Features• 48 MHz to 860 MHz Frequency Range• ±2 dB Accuracy• 1 dB Resolution• In-service Carrier-to-Noise measurement• Display levels in dBmV or dBuV• Acoustic Level Indicator• Multi-standard compatible - NTSC, PAL, SECAM• Alphanumeric display with backlight• Easy-to-use, most selections require two keystrokes or less.• Large knob simplifies channel or frequency selections.• Built-in channel table• Up to 64 user-definable frequency setups• FM/AM detector, speaker, and headphone jack• Replacement battery pack• Durable weather-resistant case• Weighs less than 1.3 lbs (600 grams)• 1 year parts and labor warranty

RFM90 Standard Accessories Include:• Instruction Manual• Replacement Battery Pack• Battery Charger with AC Voltage Adapter• Precision Female-Female Type-F Adapter• Carrying Case

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RFM150 Signal ScoutTEKTRONIX

DescriptionThe RFM150 SignalScout is a high-performance RF signal levelmeter designed to meet the demanding requirements of cableTV applications. Besides providing basic level measurementcapabilities, SignalScout can measure and display other impor-tant information needed to properly install and maintain a cableTV system. Measurements include in-service Carrier-to-Noiseand Hum, the frequency spectrum of a channel, and FM devia-tion. A built-in FM detector and speaker are also included foreasier identification of the selected channel.Level Measurement ModesSignalScout provides a variety of level display modes including sin-gle channel, pilots, 5-channel, analog meter, and all-channel mode.All of these modes are available by selecting the LEVEL hard key.The signal-channel mode displays the visual-carrier level (indBmV or dBuV) as well as the aural carrier difference (in dBc),the site name (if entered by user), the channel number, and thefrequency. The carrier frequency can be quickly selected usingthe user-definable function keys, direct numeric entry, or theknob. With numeric entry, the user can enter either the numberor the frequency of the desired channel.Pilots mode (2-channel) and 5-channel mode can be used to mea-sure the level of two or five channels simultaneously. The defaultchannel or frequency can be defined by the user using the Utilitiesmenu or by a simple press and hold of the function keys.Analog meter mode provides the same basic measurementfunction as single channel mode, but using a simulated analogmeter display. Users may use this mode for peaking and/ornulling adjustments.Worldwide CompatibilitySignalScout is designed to be compatible with NTSC, PAL, andSECAM cable TV systems. Built-in channel tables are includedfor many countries and others are user programmable. Channeltables can also be created and downloaded to the RFM150using the CSS150 SignalScout software. In addition,SignalScout is able to measure the levels of dual carrier soundsystems in use throughout the world including NICAM, analogdual carrier, and Korean dual carrier.Digitally Modulated CarriersSignalScout is designed to meet the requirements of emergingcable TV technologies by providing the capability to measurethe average level of digitally modulated carriers.


Order Mfg.No. No.TKX 250489 RFM150

Automatic Test SequencesAutomatic test sequences can be downloaded into the RFM150through the built-in RS232C port using the CSS150 SignalScoutsoftware. The CSS150 SignalScout software is MicrosoftWindows-based software to control and display measurementresults of a Tektronix RFM150 cable television RF measurementmeter. These sequences minimize keystrokes during testing ses-sions by reducing detailed measurement requirements to a coupleof keystrokes. In addition, test sequences guarantee consistencyof measurement practices between individuals and over time.The results of these measurement sequences can be upload-ed to a PC using the CSS150 software for long term archivingof maintenance records.Internal Timer FunctionAn internal timer function can be used to programSignalScout to turn itself on, perform a sequence of mea-surements, and store the results. The instrument turns itselfoff after the measurements are completed, thus reducingpower consumption and extending battery life. This capabili-ty is essential for satisfying the requirements of FCC 24 hourtesting and other time-specific testing.Results StorageNon-volatile memory allows storage of individual measurementresults as well as measurement sequences user defined. Datasuch as time, date, temperature, and site identification areincluded with each record. The standard 32 K-bytes of non-volatile memory is sufficient to satisfy the storage needs of mostapplications. Additional non-volatile memory is sufficient to sat-isfy the storage needs of most applications. Additional non-volatile memory can be ordered using Option 01.

Specifications & Features• 5 MHz to 1 GHz frequency range• ± 1 dB accuracy over wide temperature range• In-service Hum measurement• FM deviation measurement• Multiple level modes• Channel spectrum display• Multi-format compatible - NTSC, PAL, SECAM, digital carriers• Reference sweep with up to 8 references• Local storage of measurement results• Easy-to-use, most selections require two keystrokes or less.

Numeric keypad simplifies channel or frequency selections.• Interface port for uploading test results to a PC and

dowloading test sequences and configuration to Signal Scout• Internal timer function for FCC 24 hour testing and other

time-specific testing• NICAM and dual aural carrier compatible• FM detector and speaker• Durable and weather-resistant• 3 year parts and labor warranty• Windows-based CSS150 software to control and display

measurement• CE Certified

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Test & Measurement EquipmentSignal Level Meter



Features• Fast digital tuning, tunes by channel number and frequency• ± 1dB accuracy -20 to + 40 dBmV• Digital LCD display, shows level, channel and frequency• Real time Microammeter for easy antenna orientation• C/N and hum check picture quality• Auto-ranging attenuator eliminates operator error• Electronic shut-off increases time between charges• Waterproof speaker with adjustable volume control• MMDS power supply 18V power for down converters• Favorite channel programming for frequency tuned channels

Accessories Supplied• Nylon Case . . . . . . . . . . . . . . . . . . .Mfg. No. Case02• AC charger / adapter . . . . . . . . . . . .Mfg. No.T60• Ni-Cad Batteries

7 cell battery . . . . . . . . . . . . . . . . . .Mfg. No. BAT028 cell battery . . . . . . . . . . . . . . . . . .Mfg. No. BAT03

• Operator’s Manual . . . . . . . . . . . . . .Mfg. No. ST1003

Options• Strand Hook . . . . . . . . . . . . . . . . . . .Model SH2• DC/DC vehicle charger/adapter . . .Model CH3• 220V charger/adapter . . . . . . . . . . .Model T60E


Order Mfg.No. No.SAD 604845 MINIMAX MVU

SAD 604846 MINIMAX M600

SAD 604847 MINIMAX M800

Specifications

Frequency RangesMinimax MVYU 47 — 230 & 470 — 862 MHz

Minimax M600 47 — 600 MHz

Minimax M800 5 — 862 MHz

Standard Channel Plans EIA(NTSC),HRC, IRC, AIR (VHF,UHF, FM)MMDS, PALB/G

custom channel plans available on request

Tuning IncrementsFrequency Mode 125 KHz

Channel Mode 6,7 or 8 MHz

Frequency Accuracy ± 20 KHz

IF Bandwidth 280 KHz at 3 dB points

Adjacent Channel Rejection 40 dB or better

FM Selectivity will distinguish 2 FM signals of similar amplitude 300 KHz apart

Measurement Range -20 to +40 dBmV (+40 to +100 dBuV)

Amplitude Accuracy ± 1.0 dB at 77°F ± 2.0 dB from 0° — 120°F

Auto Calibration Each measurement computer corrected for level,attenuator setting and temperature Internal

Calibrator: ±0.25 dB, 4.5 — 862 MHz white noise source

Dual DisplayDigital LCD Indicates channel, frequency and signal level in dBmV

(switchable to dBuV)

Analog Microammeter Indicates real time signal level for easy antennaorientation, ± 1.5 dB

AttenuatorRange 20 dB computer corrected

Input 75 ohm, user replaceable F81 connector BNC available by special order

FeaturesPower Out Built-in battery provides switchable 18V at

F connector for powering down converters

C/N Range >50dB with external preselector Accuracy: ± 2 dB

Hum 0.5 - 5%,± 0.3%, detects all hum up to 600MHz

Favorite Channels 9 user programmable channels

³PA Automatically calculates and displays differencebetween picture and audio level of same channel

Audio Adjustable volume, waterproof mylar speaker

Illumination Switchable lights for both LCD and Microammeter

Battery Test Shows battery voltage and elapsed time

Power Supply Built-in Ni-Cads provide> 8 hours of normal intermittent use

Electronic Shut-Off User adjustable, 5 min, 10 min, or continuous

Dimensions 8.5"L x 4"W x 2.5"D (21cm x 10cm x 6cm)

Weight 3.1 lbs. (1.4Kg), including case and batteries

Minimax-M Series Signal Level MetersSADELCO

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Features• Fast digital tuning, tunes by channel number and frequency• ± 1dB accuracy -30 to +50 dBmV• Digital LCD display, shows level, channel and frequency• C/N and hum, check picture quality• Auto-ranging attenuator, eliminates operator error• Electronic shut-off, increases time between charges• Waterproof speaker with adjustable volume control• Favorite channel programming for frequency tuned channels

Accessories Supplied• Nylon Case . . . . . . . . . . . . . . . . . . . Mfg. No. Case02• AC charger / adapter. . . . . . . . . . . . Mfg. No.T60• 7 cell battery . . . . . . . . . . . . . . . . . . Mfg. No. BAT02• 8 cell battery . . . . . . . . . . . . . . . . . . Mfg. No. BAT03• Operator’s Manual. . . . . . . . . . . . . . Mfg. No. ST1003

Options• Strand Hook . . . . . . . . . . . . . . . . . . .Model SH2• DC/DC vehicle charger/adapter . . .Model CH3• 220V charger/adapter . . . . . . . . . . .Model T60E


Order Mfg.No. No.SAD 604842 MINIMAX VU

SAD 604843 MINIMAX 600

SAD 604844 MINIMAX 800

Specifications

Frequency RangesMinimax VU 47 — 230 & 470 — 862 MHz

Minimax 600 47 — 600 MHz

Minimax 800 5 — 862 MHz

Standard Channel Plans EIA(NTSC), HRC, IRC. AIR (VHF, UHF, FM) PAL B/G

custom channel plans available on request




IF Bandwidth 280 KHz at 3 dB points




Amplitude Accuracy ± 1.0 dB at 77°F ± 2.0 dB from 0° — 120°F

Auto Calibration Each measurement computer corrected for level,attenuator setting and temperature. Internal


AttenuatorRange 40 dB auto-ranging, computer corrected


Input Return Loss >16 dB with 0 dB attenuation>20 dB with 20 dB attenuation

DisplayDigital LCD Indicates channel, frequency and signal level in dBmV

(switchable to dBuV)

FeaturesC/N Range >50dB with external preselector Accuracy: ± 2 dB

Hum 0.5 - 5%,± 0.3%, detects all hum up to 600MHz

Favorite Channels 9 user programmable channels



Illumination Switchable lights for night work


Power Supply Built-in Ni-Cads provide>16 hours of normal intermittent use

Electronic Shut-Off User adjustable, 5 min, 10 min, or continuous

Dimensions 8.5"L x 4"W x 2.5"D (21cm x 10cm x 6cm)

Weight 3.1 lbs. (1.4Kg), including case and batteries

Minimax Signal Level MetersSADELCO

Maxdata Series Signal Level MetersSADELCO

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Features• New compact size with weatherproof front panel• Expanded frequency ranges to 1GHz• Computer corrected flatness and temperature response• Digital tuning with bar graph and digital displays• Automated tilt, C/N and Hum tests• Scans entire system and displays out-of-tolerance channels• Automated 24 hour FCC testing• Format and print stored data with any PC

Accessories Supplied• Water resistant Cordura Nylon Case . . .Mfg. No. Case01• AC charger / adapter . . . . . . . . . . . . . .Mfg. No. T40• Ni-Cad Batteries . . . . . . . . . . . . . . . . . .Mfg. No. BAT01• Operator’s Manual . . . . . . . . . . . . . . . .Mfg. No. ST1000• External temp sensor . . . . . . . . . . . . . .Mfg. No. TS01

Options• Strand Hook . . . . . . . . . . . . . . . . . . . . .Model SH1• Maxdata Analysis Software . . . . . . . . .Model SW1• Maxdata to PC cable . . . . . . . . . . . . . .Model CA1• Maxdata to clone cable . . . . . . . . . . . .Model CA2• Maxdata to modem cable . . . . . . . . . .Model CA3• Vehicle charger / adapter . . . . . . . . . . .Model CH1


Order Mfg.No. No.SAD 604849 MAXDATA 600

SAD 604850 MAXDATA 800

SAD 604851 MAXDATA 1000

Specifications

Frequency RangesMaxdata 600 54 — 600 MHz

Maxdata 800 4.5 — 812 MHz

Maxdata 1000 4.5 — 1000 MHz


IF Bandwidth 280 ± 50 KHz at 3 dB points

Favorite Channels 99 user programmable channels for each plan

Standard Channel Plans EIA(NTSC),HRC, IRC, AIR (VHF,UHF, FM), MMDS, PALB/G

5 user programmable plans custom channel plans are available on request






Amplitude Accuracy ± 0.75 dB at 77°F (± 0.5 dB typical)± 1.5 dB from 0° — 120°F (±1.0 dB typical)

Bar graph scale accuracy: ± 1.5 dB

Auto Calibration Each measurement computer corrected for level,attenuator setting and temperature Internal


AttenuatorRange 60 dB auto-ranging, computer corrected


Input Return Loss >16 dB with 0 dB attenuation>20 dB with 20 dB attenuation

FeaturesAutomated Testing, Data Recording, Analyzing and Printing

Stores more than 50 scans of 100 channels. Preprogrammed and user

definable test parameters, RS232 remote operation, IBM PC compatible

software for FCC compliance and data analysis. Automated time, date,

temperature and location recording


Store / Recall Allows easy recording of channel scans, plus individualsignal levels, C/N, Hum, and Tilt tests

C/N Range >50dB with external preselector Accuracy: ± 2 dB

Hum 0.5 - 5%, ± 0.3%, select 1000 Hz low pass, 60 or 120 Hzband pass filters, measures on CW or active audio carriers

Tilt Automatically calculated from user selected carriers

Scan Automatically checks entire system for out of tolerance channels

Cal Offset Allows up to ±3.0 dB adjustment in 0.1 dB steps

Test Point Offset ± 99dB compensation in 1dB steps for amplifier test point offsets


Tone Variable pitch changes with level to aid antenna orientation

Illumination Switchable backlight for night viewing


Power Supply Built-in Ni-Cads provide more than 8 hrs.of normal intermittent use

Electronic Shut-Off User adjustable, 5 min, 10 min or continuous use

Clone Transfer custom setups to other meters

Dimensions 6"H x 9"W x 5"D, 15cm x 23cm x 12cm

Weight 10 lbs., 4.5 Kg. including case and batteries

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Specifications

White Noise GeneratorType of Signal Emitted White gaussian noise

Frequency Range Model SC600 4.5 — 600 MHzModel SC1000 4.5 — 1000 MHz

Minimum Guaranteed Output 20dBmV at 280 KHz receiver bandwidth

Noise Level Flatness ± 0.25dB 4.5 to 1000 MHz (with 56" RG59 B/U cable link)

Temperature Variation ± 0.25 dB +32° to 120° F

Noise Modulation Switchable, 1KHz square wave

Marker In CW or comb freq. at 20 dBmV min

CW GeneratorFrequency 73.5 MHz crystal controlled

Output Level 20 dBmV ± 0.2 dB

Temperature Variation Negligible over +32°F to 120°F range

Harmonic Levels -35 dB

CW Modulation 15.75 KHz horizontal60 Hz vertical sync pulse simulation

AttenuatorType precision dual concentric rotary type

Impedance 75 Ohms, 26 dB return loss or better

Attenuation Range 0 to 30dB in 1dB steps

Attenuation Accuracy ±0.2 dB typical

PackageFront Panel Connectors Standard "F" female

BNC available by special order

Dimensions 6"H x 7"W x 11.5"L (15cm x 18cm x 29cm)

Weight 8 lbs. (3.64 Kg.)

Features• Expanded frequency range• Increased noise output level +20 dBmV• Precision rotary attenuator• Horizontal and vertical sync pulse simulation modes• 1 KHz square wave modulation to identify noise source• Input jack for external marker

Accessories• Water resistant Cordura nylon case . . . . . . . . Mfg. No. X214

with 1/2" foam• 11 cells NiCad battery pack . . . . . . . . . . . . . . . Mfg. No. X217• Charger - 120 VAC input, 24VDC output . . . . Mfg. No. TX30• Charger - 220 VAC input available . . . . . . . . . Mfg. No. TX30• Matched cable link 56"(142cm) RG59 B/U . . Mfg. No. TX30


Order Mfg.No. No.SAD 145589 SC600

SAD 146030 SC1000

SC600 & SC1000 CalibratorsSADELCO



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Test & Measurement EquipmentSignal Level Meters &Voltage Detectors



Features• Easy to use• Self-check feature• Safety yellow color• Complete with storage bag with belt snap

DescriptionThe C-9973 Voltage Detector Kit is a high-voltage detectiondevice designed for use in the testing of various conductiveobjects that might expose craft people to electrical shock. Itis recommended for use in the field where potentially dan-gerous objects such as power ground wires, street light fix-tures, metal frameworks or conduit, pedestals, ground rodsand similar conductive items are encountered. The unit isconstructed of bright yellow plastic, and is battery operated.It is compact, lightweight, and easy-to-use. A green LEDshows when the surface being touched is free from electricalhazards. The red LED flashes to warn that dangerous volt-age is present. A flash guard and the high dielectric strengthplastic housing limit electrical current to a safe level if highvoltage hazards exist, eliminating the need for insulatedgloves during testing. The kit contains: voltage detector C-9970, storage bag C-9971, temporary bond C-9972,ground cord C-9967, and handbook C-9964.

SpecificationsSize 12" L x 1-1/2" D

Weight 1 lb.

Low voltage threshold red LED flashes for 50 VAC RMS and higher

High voltage protection designed to protect user up to 20,000 VACRMS;6 Volts to 2,000 DC

Ranges 50-20,000 VAC RMS6-2,000 VDC


Order Mfg.No. No.COM 096321 C-9973

Features• Two models to choose from

Sadelette A - Two low channelsSadelette B - One high & one low channel

• Easy to read one dB resolution• Show individual signal levels• Works with TV set converters or on its own• New holster type case with belt clip

DescriptionUse with a converter to check all CATV channels, or use onits own to measure two factory set channels or pilot carriersdirectly from the cable. Easy to operate: connect to CATVdrop before or after the converter, select channel, press ONbutton, adjust Attenuator switch (if necessary), and read sig-nal level on bar graph.

SpecificationsDisplay 10 segment LED bar graph

Range -2 to +22 dBmV

Accuracy ± 1.5 dB of picture carrier level

Range Overlap Error ±1 dB

Input Channels Sadelette A: order any two channels 2— 6Sadelette B: order one low channel (2—6) & one high channel (7—36)

Battery Two 9V alkaline batteries included. Low battery Warning light

Case New holster type case with belt clip


Order Mfg.No. No. DescriptionSAD 090302 SADELETTE 2-W channels 2 & W

SAD 090301 SADELETTE 2-13 channels 2 & 13

SAD 090304 SADELETTE 3-W channels 3 & W

SAD 090303 SADELETTE 3-13 channels 3 & 13

Sadelette Signal Level Meters Voltage Detector KitSADELCO COMMUNICATIONS TECHNOLOGY

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Test & Measurement EquipmentGas Detector



Single Gas Monitors for CO, H2S, & OXGAS TECH

Features• Microprocessor controlled• Provides hands-free monitoring through the use of a

sturdy, integrated pocket/belt clip• All 95 Series sound an acknowledgement beep when the

instrument is turned on• An audible alarm sounds if preset gas levels are

exceeded, if battery power is low, or if a malfunction occurs in the sensor circuitry

• For monitoring oxygen, the OX-95 features a dual-level audible alarm that is activated in either oxygen enriched or oxygen deficient environments

• Two-levels of rising alarm for the toxic models, CO-95 and HS-95. A pulsing buzzer tone and flashing alarm light for the low alarm. A steady buzzer tone and flashing alarm light for the high alarm.

• Adjustable alarm delay to eliminate nuisance alarms• Easy field replacement of sensor & batteries• Easy to calibrate• UL Classified• Single 9 volt battery is easily accessible & provides in

excess of 2500 hours non-alarm operation


Order Mfg.No. No. DescriptionGAS 202144 72-0020-02 Oxygen detector

(other models available)

DescriptionAt only 4.5 x 2.5 x 1 inches and weighing 6.5 ounces, the 95Series by Gas Tech are compact, economic, easy-to-use moni-tors ideal for personal protection from hazardous gases. Thesesingle gas, diffusion style monitors are housed in a durable,lightweight case and are available in models that detect carbonmonoxide, hydrogen sulfide, or oxygen.

Optional accessories• hand-aspired, sample-draw adapter for confined space

entry compliance• calibration kit containing test gas & other related attachments• carrying case with belt loop

Range of Gases DetectedCO-95/Carbon Monoxide 0 to 500 ppm in 1 ppm increments

HS-95/Hydrogen Sulfide 0 to 100 ppm in 1 ppm increments

OX-95/Oxygen 0 to 30.0% Vol. in 0.1% increments

Portable Gas Monitor for One to Four GasesGAS TECH

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Test & Measurement EquipmentGas Detector



Features• Simultaneously monitors and displays up to four gases in

a variety of configurations.• One button operation and calibration.• Three UL listed interchangeable battery packs-nickel metal

hydride, nickel-cadmium and replacement cell alkaline.• Quick and easy replacement of battery packs in the field

and with flexibility of charging battery pack in or out of unit.• The most waterproof instrument on the market.• Programmable for up to 16 users and 64 location I.D.’s -

provides easy compliance reporting/documentation.• 100% sensor failure monitoring and indicates if sensors

are missing (unique sensor fail detection circuitry).• High stability and very sensitive hydrocarbon ppm

monitor range for leak detection and hygiene work when used with the sample-draw pump.

• Built-in data-logger to download logged data to a PC or the optional calibration accessory AUTO CAL in a report format. Windows compatible software available.

• Exclusive LIP (Liquid Inhibiting Probe) attachment prevents damage to the sample system.

• LCD display shows (on Demand):- date & time- real-time gas concentrations- battery capacity- alarm set points- temperature- log time remaining- TWA & STEL readings can be called to the display- backlight on demand

• UL classified

DescriptionGas Tech’s STM2100 personal portable gas monitor isdesigned to protect workers from hazardous gases in confinedspaces and other industrial work sites. The monitor is availablein a variety of different gas combinations for the detection ofhydrocarbons (in the %VOL., LEL, or ppm range), oxygen con-tent, carbon monoxide, hydrogen sulfide and other toxic gases.

Range of Gases Detected

Ammonia (NH) - 0 to 50 ppm in 1 ppm increments

Carbon monoxide (CO) - 0 to 500 ppm in 1 ppm increments

Hydrocarbons (Methane Calibration) 0 to 100% LEL in 1% increments;0 to 50,000 ppm in 50 ppm increments;

0 to 5.00% Vol. in 0.01% increments

Hydrogen cyanide (HCN) - 0 to 100 ppm in 1 ppm increments

Oxygen (O) - 0 to 30.0% Vol. in 0.1% increments

Hydrogen sulfide (HS) - 0 to 100 ppm in 1 ppm increments

Nitric oxide (NO) - 0 to 100 ppm in 1 ppm increments

Nitrogen dioxide (NO) - 0 to 20 ppm in 1 ppm increments

Sulfur dioxide (SO) - 0 to 20 ppm in 1 ppm increments


Order Mfg.No. No. Description

GAS 202143 72-0284-03 detects-Combustible Oxygen, Hydrogen Sulfide & Carbon Monoxide

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Test & Measurement EquipmentLeakage Detection Receivers



RF Leakage Detection ReceiverAUGAT

Features• Minimum detectable signal - 86 dBmV from a 75 Ohm source• Rechargeable Gel-Cel battery - 50 hours on one charge• Push-button battery indicator• High impact aluminum case with removable shoulder snap

DescriptionThe Model TR-1 Tracer is a compact, calibrated RF leakagedetection receiver specifically designed to detect RF leakagefrom CATV systems. The receiver’s high sensitivity and cali-brated logged meter scale provide a simple means for locatingsignal leakages and for determining whether radiation complieswith FCC regulations.

The calibrated dual-scale meter indicates relative field strengthand maximum allowable distance.This maximum distance scaleis calibrated to the FCC specifications for leakage from a coax-ial cable in the 54-216 MHz region. The 0 dB point on the rela-tive field strength scale indicates the maximum allowable leak-age when measured at a distance of 10 feet from the cable.

The Tracer can operate with any one of the standard TV videocarriers.This eliminates the need for a special transmitter.

The receiver emits a recognizable audio tone when leakage isdetected, allowing for unmistakable broadband system checks.

The Tracer’s local oscillator (L.O.) is crystal-controlled,enabling the receiver to have a narrow bandwidth and maxi-mum sensitivity. A fine-tuning adjustment is provided to com-pensate for any long-term drifts of the L.O. frequency.

Standard equipment: dipole antenna with magnetized base,cigarette lighter plug, wall mount charger, battery, carryingstrap, near-field probe, 10' cable lead, headset, truck mountingbracket, tuning tool, 8 dB and 20 dB attenuator pads.



AGB 202540 TR-1 Trace Specify channel & frequency when ordering

Specifications

Frequency 50 to 300 MHz crystal oscillator

Local oscillator ±4 kHz

Meter display linear meter scale, from -20 to +20 dB

Frequency accuracy ±4 kHz frequency ADJ control

Level accuracy ±1 dB

Size 8" x 5" x 6" approx.

Weight 5 lbs. approx.

Power sources internal/external 12 Vol.6t; AC charger/adapter

Battery life maximum life (1,500 to 2,000 cycles) based on 20 hours use between charging

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Test & Measurement EquipmentRMS Test Instruments



Why Should Cable TV Engineers & Field Service Personnel Use True RMS Test Instruments?

DescriptionOne of today’s greatest concerns and problems in servicingcommercial, industrial and even residential power systems,is the presence of "non-linear, distorted wave" loads. A nonlinear load is one which due to the design of the equipment,draws power in short pulses rather than smoothly and con-tinuously. An excellent example is variable speed compres-sors, blowers and fans used in today’s high end residentialair conditioning systems. While improving efficiency, thesedevices alter the shape of the current and voltage wavescausing "distortion". And that’s where the problems start.

The problem is that most typical snap-around ammeters andvolt meters, whether analog or digital, are NOT designed, norare they capable of reading non-linear circuits / loads correctly.

Most voltage test instruments in use today are "averagesensing". This means that they calculate and display theaverage value of the volts or amperage wave being mea-sured. On a distorted wave load the average value is usual-ly substantially lower than the RMS value. Simply stated, thismeans that the average sensing meter produces low read-ings, and depending on the severity of distortion, readingsmay be as much as 30% to 50% off.

This is especially true in a building where there may be sub-stantial non-linear loads, such as computers, telecommuni-cations gear, or medical equipment. Typically this equipmentis more sensitive to minor variations in power quality such as"brown-outs". Frequently these installations are protected bypower-conditioning transformers or un-interuptable powersupplies (UPS) systems, which clean-up regulate and stabi-lize "dirty power" (not supplied as a nice clean sine wave)which may be coming from the local utility or created else-where in the building.

Since you can not see, and may not suspect, wave distortionor harmonics causing problems for your test instruments, theonly way to be sure you are getting accurate measurementsis to use true RMS reading instruments such as A.W. Sperrymodels DSA 450, dsa 2009 or DM 8700. True instrumentscalculate the Root Mean Squared value and only instrumentsspecified to be true RMS will read correctly regardless of thecurrent or voltage wave shape over a wide frequency range.

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Test & Measurement EquipmentMultimeters



Features• Auto ranging • Built-in test leads• Continuity buzzer • Booklet style carrying case• Data hold button

DescriptionA low cost digital multimeter allows unit to be carried by everytechnician or installer. Attached test leads eliminate lost or mis-placed leads. Small enough to be stored in a shirt pocket.

Snap Around Jaws for MultimetersA.W. SPERRY

Specifications

DC & AC Voltage: Range 2000mV, 20V, 200V, 400V

Accuracy DC Volts: ±(2% rdg + 2d);AC Volts: ±(3% rdg + 5d)

Input impedance -10m

Overload protection DC 400V or AC 400V rms (sine wave)

Resistance: Range 200 , 2000 , 20K , 200K , 2000K

Accuracy ±(2% rdg + 2d)

Overload protection 400V rms (PTC protection)

Continuity: Range 200

Accuracy audible and visual indication at <200 ±30%

Packaging: Packed complete on see-through blister card with two B-6batteries, C-70 carrying case and operating instructions

SP-152A Pocket Size VOM MultimeterA.W. SPERRY

DescriptionAC current adapter measures 0-199.9 Amps AC (continuous)with 3% accuracy on 50-400 Hz circuits. Works with all A.W.Sperry digital multimeters and most other manufacturers' mod-els having 0-200mV DC range, and 10 Megaohm inputimpedance. Will provide TRUE RMS readings when used witha True RMS DDM, such as A.W. Sperry DM-8700. Jaw capaci-ty: 5/8"; weight: 8 oz.; dimensions: 5.75" x 2.75" x 1.25"


Order Mfg.No. No.SPY 145416 DM-2A

DescriptionColor coded for easy identification. Pocket size.Easy-to-read 2and 3 color scales. Diode protected meter movement. Double-jeweled 2% meter.

1% stabilized resistors. 10 VAC range has separate arc.Complete with test leads, AA battery, and black carrying case.

Ranges: DCV: 0- 2.5/10/50/250 ACV: 0-10/50/250/500/1000

mA: 0-.05/25/250 Ohms: 1/10/1000 (25 mid)

dB: -20 to +62


Order Mfg.No. No.SPY 153203 SP-152A


Order Mfg.No. No.SPY 145409 CA-200

DM-2A Pocket Pro® Digital MultimeterA.W. SPERRY

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DM-8400 Digital MultimeterA.W. SPERRY

Features• Drop proof to 10 feet• Large 3-3/4" LCD display• Safety yellow• Built-in hanger and tilt stand• Auto power off

DescriptionThis digital multimeter is capable of reading 12 functions on 36ranges. Data hold, safety yellow and "auto off" make theTechmaster series some of the most feature packed, state-of-the-art digital multimeters on the market today.

Accessories• Test leads (TL-58)• Battery• Instructions


Order Mfg.No. No.SPY 145420 DM-8400

Specifications

AC CurrentRange 400µA / 4m / 40m / 400mA / 20A

Resolution 0.1µA

Accuracy 400µA - 400mA: ±(1.0% rdg + 1d)20A: ±(2.0%rdg+3d)

Burden voltage 400µA - 400mA: 600mV20A: 900mV

Overload 5A/600V fuse on mA inputs, 20A/600V fuse on 20Aprotection inputs, 10A continuous, 20A for 60 seconds max.

ResistanceRange (Ohms) 400 / 4K / 40K / 400K / 4M / 40M / 400M

Resolution 0.1 Ohms

Accuracy 400: ±(1% rdg + 4d)4K - 4M: ±(0.75% rdg + 4d)

Open circuit 400 + 400M: 3.45V4K - 40M: .6V

Overload protection 500 VDC or peak AC - electronic (no fuse blow)

FrequencyRange 4K / 40K / 400K / 4000kHz

Resolution 1 Hz

Accuracy ±(0.1% rdg + 2d)

Min. input frequency 10 Hz

Sensitivity 200 mV: RMS min. 10 Hz - 1 MHz500 mV: RMS min. 1 MHz - 4 MHz

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DM-8700 True RMS Digital MultimeterA.W. SPERRY

Features• True RMS reading• Drop proof to 10 feet• Large 4-1/2" LCD display• Safety yellow• Built-in hanger and tilt stand• Auto power off

DescriptionThis digital multimeter is capable of reading 11 functions on 34ranges. True RMS duty cycle, data hold, safety yellow and"auto off" make the Techmaster series some of the most featurepacked, state-of-the-art digital multimeters on the market today.

Accessories• Test leads (TL-58)• Battery• Instructions


Order Mfg.No. No.SPY 145421 DM-8700

Specifications

AC CurrentRange 200µA / 2m / 20m / 200mA / 20A

Resolution 0.1µA

Accuracy 200µA - 200mA: ±(0.8% rdg + 10d)20A: ±(1.5%rdg+10d)

Burden voltage 200µA - 200mA: 400mV20A: 900mV

Overload 5A/600V fuse on mA inputs, 20A/600V fuse on 20Aprotection inputs, 10A continuous, 20A for 60 seconds max.

ResistanceRange (Ohms) 200 / 2K / 20K / 200K / 2M / 400M

Resolution 0.01 Ohms

Accuracy 200: ±(0.2% rdg + 10d)2K -200K: ±(0.15% rdg + 3d)

2M: ±(0.2% rdg + 3d)20M: ±(1.0% rdg + 5d)

Open circuit less than 3.45V on all ranges

Overload protection 500 VDC or peak AC - electronic (no fuse blow)

FrequencyRange 2K / 20K / 200kHz

Resolution 1 Hz

Accuracy ±(0.5% rdg + 3d)

Min. input frequency 10 Hz

Sensitivity 50mV RMS

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DM-8A Digital MultimeterA.W.SPERRY

Features• 10 AC/DC ranges• Voltage and overload protection• Audible continuity• Current input alert• HFE transistor test function• Capacitance test function• Pocket sized

DescriptionThis digital multimeter offers a good feature to cost value. 9 func-tions with 36 ranges enable this meter to cover a wide range oftest procedures.


Order Mfg.No. No.SPY 153204 DM-8A

Specifications

RangesDC voltage 0-200mV, 2, 20, 200, 600 VDC

AC voltage 0-200mV, 2, 20, 200, 600 VAC

DC current 0-200µA, 2m, 20m, 200mA, 10 ADC

AC current 0-200µA, 2m, 20m, 200mA, 10 AAC

Resistance 0-200, 2K, 20K, 200K, 2000K, 20M, 2000M ohm

HFE test NPN/PNP

Capacitance 0-2n, 20n, 200nF, 2µ, 20µF

Continuity test diode test

Comes complete with one 9V transistor type battery, test leads,case, two fuses, spare and operating instructions.

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Test & Measurement EquipmentVolt-OHM Ammeters



DSA-450 True RMS Digisnap™Digital Snap-Around Volt-Ohm-AmmeterA.W. SPERRY

Features• True RMS reading• Instant continuity buzzer• Data/peak hold switch• Recessed safety designed input jacks

DescriptionThis digital multimeter offers incredible convenience with itssnap-around jaws. True RMS duty cycle allows standby powersupply outputs to be measured with greater accuracy.

PackagingComplete with TL-52 test points, B-4 battery, C-62 carryingcase, and operating instructions

Specifications

AC CurrentRange 40A, 400A

Resolution 10mA, 1A

Accuracy ±1.5% rdg + 4 d at 50-60 Hz

AC VoltageRange 400V, 750V

Resolution 100mV, 1V

Accuracy 400V (200V): ±1.2% rdg + 4 d at 50-500 Hz750V: ±1.5% rdg + 4 d at 50-500 Hz

Input impedance 10M

Overload protection 1200 VDC / 800 VAC on all ranges

DC VoltageRange 4V, 40V, 400V, 1000V

Resolution 1mV, 10mV, 100mV, 1V

Accuracy ±0.5% rdg + 1 d

Input impedance 10M

Overload protection 1200 VDC / 800 VAC on all ranges

ResistanceRange 400

Resolution 0.1

Test voltage 400 (200 ): range 3.2V max.

Overload protection 500 VDC / 350 VC on all ranges

Accuracy ±1% rdg + 1 d

Diode TestTest current 2.4

Test voltage ±0.6mA 3.4V max.

Overload protection 500 VDC / 350 VAC

Continuity BeeperThreshold approx. 100

Response time 100 ms

Overload protection 500 VDC / 350 VAC

Frequency MeasurementAutorange (4k - 1MHz)

Input sensitivity 100mV RMS

Accuracy ±(1% rdg + 20 d)

Overload protection 500V DC/AC

Effect Reading 10 Hz min.


Order Mfg.No. No.SPY 145415 DSA-450TRMS

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Test & Measurement EquipmentCable Tone Test Set



Model 401K CATV Cable Tone Test SetPROGRESSIVE ELECTRONICS

DescriptionDesigned specifically for the CATV, SMATV and MATV indus-tries, the Model 401K does what no other affordable toner can.It will send tone through any passive device along the cablepath. Now you can tone through splitters, taps, directional cou-plers and traps. No more long delays trying to figure out mis-tagged cable drops. The Model 401K is simple to use and pro-vides fast, accurate results.

The 401T toner and 401R receiver are both equipped withfemale F-connectors and the Model 401K provides both audi-ble and LED test and tone indications. The addition of adaptertest leads allows the Model 401K to be used an larger, distri-bution cables as well as wire pairs or single conductors. Withoptional tone outputs, up to four 401T Toner units can be usedsimultaneously for tracing multiple cable runs.

As a continuity tester, the Model 401K provides both audibletone and LED display to indicate resistance levels. The unit willeven identify the presence of AC or DC voltage on the cableunder test.


Order Mfg.No. No.PRG 202156 401K

PRG 202157 401TK

PRG 202158 401R

Specifications

Power RequirementsTwo 9V NEDA type 1604 batteries (not included)

Battery Life 401T> 100 hrs. nominal, 401R> 50 hrs. nominal

Tone Output pulsing 6.5dBm into 75 ; alternating 9.0dBm into75

Allowable Attenuation viable tone signal to 60dB

Construction High-impact ABS plastic

Dimensions 2.25" x 2.5" x 1.25" each unit

Weight 2.9 oz. each unit with battery

Model 401K includes• one 401T• one 401R• two 18" F connector to alligator clips adapter leads• one 12" coaxial jumper cable• vinyl carry case

Model 401TK includes• one 401T• two 18" F connector to alligator clips adapter lead• one 12" coaxial jumper cable

Model 401R includes• one 401T• two 18" F connector to alligator clips adapter lead

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Test & Measurement EquipmentTone Test Sets



100B Tone Test Set 77A / 77M Tone Test SetsPROGRESSIVE ELECTRONICS PROGRESSIVE ELECTRONICS

Features• Audio trace tone• AC and DC voltage testing• Polarity testing• Resistance testing to 10 megaohms with variable audio

beep rate

DescriptionThe Model 100B provides a distinct audio trace tone that canbe applied to a conductor for identification or continuity testing.AC or DC voltages and polarity are indicated with an LED.Resistances from 0 to 10 megaohms can be tested and levelindicated by a variable audio beep rate. A four-position slideswitch selects the modes of operation and both test clips and amodular cord are provided for connection.

Specifications

ElectricalPower supply one 9V NEDA-type 1604 battery

Battery life 100 hours approx.

Output level 0 dBm approx.

Frequencies 800 and 1100 Hz at 50% duty cycle

MechanicalDimensions .826" x 2.24" x 4.0" (21mm x 57mm x 102mm)

Weight 5 oz. (135 grams)

Construction high-impact ABS plastic

Features• Identifies polarity and checks continuity• Indicates AC and DC voltages• Tone isolated from DC voltages• Identifies wire or cables within bundles

DescriptionThe Model 77M is a continuous or alternating tone generator,continuity tester and voltage detector with a modular connector fortelephone applications. The Model 77A is the same as the 77Mbut does not have the modular cord. They generate a distinctiveaudio tone, detectable with a handset or inductive amplifier.

Specifications

ElectricalPower supply one 9V NEDA-type 1604 battery


Tone frequency 700-1300 Hz alternating Hi-Lo or 1000 Hz solid (approx.) Selectable by a internal switch

Output level 0 dBm

Output impedance 2,700 Ohms (approx.)

MechanicalDimensions 1.25" x 2" x 2.25" (32mm x 51mm x 57mm)

Weight 4 oz. (113 grams)

Construction high-impact ABS plastic


Order Mfg.No. No. DescriptionPRG 094728 77A no modular cord

PRG 076177 77M with modular cord

PRG 059768 77C carrying case


Order Mfg.No. No.PRG 075758 100B

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Test & Measurement EquipmentTone Test Sets



200B Line-Aid Inductive Amplifier Model 701K Tone & Probe KitPROGRESSIVE ELECTRONICS PROGRESSIVE ELECTRONICS

DescriptionThe Model 200B inductive amplifier is designed to work with anytone test sets to identify and trace wires within a group withoutdamaging the insulation. The 200B has a built-in speaker. Thepush-button activates the 200B and is recessed to prevent acci-dentally turning on the unit.

Uses one 9V NEDA-type 1604 battery. Constructed of highimpact ABS plastic. Weight: 5 oz. Size: 2.1” x 1.1” x 8”.

Features• No handset needed• Easy one-hand operation• Identifies tone through shielded cable

DescriptionThe Model 701K consists of the 77HP high power tone test set,the 200EP inductive amplifier, and the 700C Cordura case.

The Models 77HP and 200EP are used for identifying andlocating cable pairs or single conductors. Premise wiring tech-nicians will benefit greatly from these time-saving devices.They are used for installing or troubleshooting telephone, data,security/alarm, H.V.A.C., audio/visual and electrical systems.

The 77HP is a high power tone generator, continuity tester andvoltage detector. It is equipped with a modular connector forstandard phone jacks. Three-colored LED displays testresults: RED = reverse polarity; GREEN = correct polarity;YELLOW = the presence of AC. This high power tone genera-tor transmits up to 50,000 feet and through low resistance cir-cuits. Constructed of high impact ABS plastic, it weighs 4 oz.and uses any 9V battery. Size: 1.25" x 2" x 2.25".

The 200EP inductive amplifier is designed to work with anytone generator to identify and trace wires within a group with-out damaging the insulation. This probe features volume con-trol with increased sensitivity which can be adjusted to suit theenvironment. Recessed terminal ports are provided for hand-set connection and a recessed "on/off" button prevents batterydrain. Constructed of high impact ABS plastic, it weighs 5 oz.and uses any 9V battery. Size: 2.1" x 1.1" x 8".

The 700C carrying case is made of tough Cordura material fea-turing a belt loop, protective Velcro flap, individual compart-ments and leather tip reinforcement.


Order Mfg.No. No. DescriptionPRG 093664 200B inductive amplifier

PRG 076084 200C carrying case


Order Mfg.No. No. DescriptionPRG 604820 701K tone and probe kit

PRG 604819 77HP high power tone test set

PRG 133388 200EP inductive amplifier

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Test & Measurement EquipmentCable Tracer



Coax Tracer System (CTS)TEMPO RESEARCH

DescriptionThe Tempo Research Coax Tracer System(CTS) is designedto take the guesswork out of coax identification and location.The CTS includes a Transmitter that outputs an 84 kHz toneand a 1 kHz tone and a CTS Probe that identifies and picks upthe 84 kHz tone inductively and the 1 kHz tone capacitively.The CTS out performs the current method of locating cablesand is easy to use.

Two tones (84 kHz and 1 kHz) are sent simultaneously throughthe push on F connector an the CTS Transmitter. The dual-purpose probe identifies and picks up each tone either capaci-tively (at the end of the cable), or inductively (through thesheath anywhere along the cable path). By tracing the toneinductively, the targeted coax cable can be identified out of abundle, or at the junction box Without disconnecting and prob-ing each cable end. This saves time, unnecessary serviceinterruption and potential RF leakage caused by capacitive ton-ing methods of standard tone generator/probe tracing devices.



TEM 202541 # 3110-5001 CTS probe & transmitter w/softcase

Specifications

TransmitterWeight 9.8 oz.

Dimensions 5-1/8" x 2-5/8" x 1-5/8"

Battery 6 "AAA"

Battery Life 60 hrs. continuous use

Tone Frequency Burst 84 kHz, Steady 1 kHz

Output Level 150 mA

Distance 10K ft.

ReceiverWeight 6.7 oz

Dimensions 7-1/2" x 2" x 1-1/2"

Battery 9 VDC

Battery Life 24 hours continuous use

Probe Tip Insulated to 300 VAC/DC Non-conductive, coated metal tip\

Benefits• Identifies cables through the sheath and at the cable end• Reduces trouble-shooting time, saving money on every dispatch• Prevents interruption of other customer’s services• Reduces the potential for RF leakage due to less drops

being disconnected for ID purposes• Reduces customer complaints and repeat visits• Two-in-one probe works with standard tone generators

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Test & Measurement EquipmentCable Tracer Kit



TR-3 MultiToner Tone GeneratorTEMPO RESEARCH

DescriptionThe TR-3 MultiToner is three tone generators built into one.Tempo’s TR-3 is the only tone generator that provides threedistinct tones (800 Hz, 1 kHz and 1.2 kHz) all at the same time.The TR-3 allows the user to positively identify three separatecable pairs or wires simultaneously, using any inductive tracer/ probe with one initial set-up. By providing three tones all atonce from one generator, the TR-3 reduces the amount of timeand number of tone generators required at the job site. Tonenumber one is transmitted through the alligator clips and allthree tones are transmitted on the RJ11 modular plug. For trac-ing in either direction or regardless of facility, a 2 pair adapter isused to direct tones two and three to alligator clips. The TR-3provides all the other functions of an average, single tone gen-erator including talk battery, continuity, line status testing andtoning up to 50,000 feet. The TR-3 is designed for applicationsincluding telephone, data, security / alarm, audio / visual, HVACand electrical systems.

WarrantyTempo Research warrants all TR-3 MultiTone Generatorsagainst defects in materials or workmanship for a period of oneyear from date of shipment to original purchaser. All unitsreturned to the Tempo factory, delivery charges prepaid anddeemed defective under this warranty will be replaced orrepaired at Tempo’s option. No other warranty is expressed orimplied, nor will responsibility for operation of this device beassumed by Tempo Research.


Order Mfg.No. No. DescriptionTEM 202542 1190-5002 TR-3 MultiToner Tone Kit

(TR-3 adapter & Case)

Specifications

Dimensions 2.5" x 2.5" x 1.4"

Weight 4.4 oz. (125 grams) with battery (not included)

Battery 9V, NEDA 1604 or equivalent

Tone Frequencies 800 Hz, 1 kHz and 1.2 kHz

Output Level 12V peak to peak square wave through .1 u capacitor

Benefits• Unique: The only Tone Generator which provides 3

distinct tones at the same time from one unit• Saves time: TR-3 will tone 3 separate cables / wires

with one initial set-up• Saves Money: The TR-3 is half the cost of buying three

average, single tone generators• All other features of an average, Single Tone Generator:

Continuity (pair one), Polarity, Talk Battery, Line Status Testing and Toning up to 50,000 feet.

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Test & Measurement EquipmentCable Tone Test Set



DescriptionThe new Toner Plus is a low cost RF continuity tester and cablelocating system capable of testing any CATV, security, or tele-phone cable installation. The transmitter, model TPT-1 initiatesthe test signal with sufficient power to test over 4000 feet ofcoaxial cable or pass through high-end RF splitters and tapshaving DC shorts to ground. The receiver model TPR-1 oper-ates in two modes: a low impedance coaxial input for directconnection to a CATV system, or in the high impedance, non-contact mode for tracing cables in bundles or hidden in walls orceilings. The TONER PLUS’ specially selected high frequencyallows the tracing of telephone and security cables even whilethe system under test is operating. Both the TPT-1 and TPR-1use replaceable 9 volt batteries for low cost operations.

Features• Tests RF Continuity through cable RF or RF passive• Locates cables from a distance in the high impedance mode• Locates telephone and security cables while systems are in use• Small size for easy handling and tool pouch storage

Cable Tec Continuity TesterJACKSON

Features• True pocket size - only 4" long• LED glows when a splitter is detected• Tone signal indicates a break in the cable• Complete with small 12V battery• Durable metal construction• Complete with pocket clip

Pocket TonerJUST DROP

DescriptionThe Cable Tec is a low cost "Go-No-Go" continuity tester usedby installers and technicians to check circuit integrity. The CableTec can be used to check drop cable before it leaves the ware-house and detects all shorts and self-grounding devices. Usedto identify cables at the lock-box in multiple family dwelling units,the Cable Tec is also employed to audit existing installations.

Cable Tec is equipped with "F" fittings for quick use. A red LED,buzzer and 9V battery offer both visual and audible signals.Weight: 5 oz. Size: 3-1/4" x 2-1/8".


Order Mfg.No. No. DescriptionJST 147814 JD-PTL Pocket Toner

JST 200601 JD-PTLBAT Replacement battery


Order Mfg.No. No. DescriptionJKS 069533 1501 Pocket Toner

Features:• Small and lightweight• Equipped with "F" fitting for quick use• Quickly identifies shorted cables on new cable reels


Order Mfg.No. No. DescriptionJST 202547 TP-1 Receiver and transmitter

JST 202552 TPL-1251 Telephone CATV adapter

JST 202553 TPL-1252 Storage Pouch

Toner PlusJUST DROP

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Test & Measurement EquipmentPhone Return Path Products



Modular Phone Line TesterINDEPENDENT TECH CORP

DescriptionThe TELELITE 1™ Modular Phone Line Tester provides a fast,easy means to determine the condition of a phone line atphone jack or network interface. It visually indicates if tip or ringare reversed or if there is no measurable loop current in theline. Simply remove phone wire from modular jack, inserttester and "read" light color.

The Modular Line Tester is easily inserted in a modular walljack or in a network interface panel (the point where interiorphone wiring is connected with exterior wiring). It can be usedto test 2 or 3-pair modular jacks wired to FCC standards.Tester is not designed for use in 4-pair or key set jacks.Remove tester from jack or panel as soon as test is complete.

DescriptionOutside Plant — Line Testing. This unit is a line-poweredcombination handset with all features self-contained. Featurestone/pulse dialing, built -in electronic ringer, built-in polarityguard, LED polarity indicator, automatic redial of last number.Talk/monitor switch. Meets industry standard 25' drop test.Includes two cord sets, alligator clip and modular.

WTS-201 Craft Test SetWALKER-PLANTRONICS

Order Mfg.No. No.ITC 201749 ITC-3003


Order Mfg.No. No.WLK 096199 WTS-201


Features• Great for addressable converter phone returned systems• Permits quick, easy visual check of modular jacks and

the network interface• Tester is designed for service person or installer use • Tester is ideal for home use and eliminates costly,

unneeded and irritating service calls

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Test & Measurement EquipmentCable & Fault Locators



Features• Operates on dead or active lines• Direct or Inductive coupling• Silent RF locating minimizes interference to other circuits

DescriptionThe Model 501 Tracker II is a portable, buried cable locatingsystem. The transmitter can be connected directly to one endof the cable, to the inductive coupler, or to the inductive anten-na. The transmitter generates an RF signal that is modulatedwith a tone of approximately 1000 Hz. This permits effectiveperformance even at distances greater than 4000 feet todepths of more than 7 feet. The inductive coupler clampsaround the cable, sending a tone which enables the user tolocate active or dead cables. The inductive antenna is mount-ed inside the carrying case and can be placed over the cable,wire or metallic pipe to be located. The inductive antennatransmits a signal through the ground onto the item to be locat-ed. The receiver is a hand-held unit used to trace the path ofthe cable. Mounted on a 33’’ handle, it has an ON/OFF sensi-tivity control knob, a meter to read the signal strength, and aspeaker to hear the tone. A jack permits the use of the option-al head set.


Order Mfg.No. No. DescriptionPRG 105450 501 Cable locator unit

PRG 123023 HS-1 Handset for 501 locator

No 501 Tracker II Underground Cable LocatorPROGRESSIVE ELECTRONICS

Specifications

Transmitter 500HP : size 3" x 3" x 4"

weight 2 lbs.

construction aluminum

power supply (8) 1.5V AA cells

Receiver assembly 500R: size 33" x 8" x 4"

weight 1 lb.

construction aluminum

power source (1) 9V battery

Carrying case, 500C: size 34" x 8" x 4"

weight 4 lbs

cord set CS-6 (2) 8' black leads,with clips and plug-ins.

Receiver/antenna assembly 500R: pickup electromagnetic

headset HS-1 600 Ohms

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Test & Measurement EquipmentCable Locator



No.508 Mini-Tracker SystemPROGRESSIVE ELECTRONICS


Order Mfg.No. No.PRG 074395 508

Features• Silent RF locating minimizes interference to other circuits• Battery powered - goes anywhere• Compact and lightweight• Locates up to 1000 ft.

DescriptionFor tracking hidden cables, wires and pipes underground or inwalls. System consists of the 500LP transmitter and 508MTreceiver packaged in a compact carrying case. The receiverhas a tracking antenna attached to the end of a short length ofcable. By connecting the leads of the transmitter to the cable,wire, or pipe being traced, it is possible to follow the path of thesubject cable, wire or pipe by gently swinging the antenna ofthe receiver over the suspected path until there is a null. All thatis necessary then is to follow the nulls and track the path. It isalso possible to use the Mini-Tracker to determine the depth ofthe subject cable, wire or pipe.

Specifications

No. 508 system size 7-1/2’’ x 3-1/2’’ x 10"

weight 2 lbs.

No. 500LP transmitter size 1-1/4’’ x 2’’ x 2-1/4'’

weight 4 oz.

power source (1) 9V battery, 100 hrs. life (approx.)

power output 30 mw (approx.)

No. 508MT receiver size 5-7/8’’ x 2-3/8’’ x 1''

weight 9 oz.

power source (1) 9V battery, 100 hrs. life (approx.)

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Test & Measurement EquipmentFault Locators



No. 2003 Fault Locator Cable Hound®

PROGRESSIVE ELECTRONICS METRO TEL

Features• Battery operated for remote field use• Capable of finding high resistance ground faults• Able to pinpoint faults to the inch• Automatic shutoff to preserve battery life• Built-in receiver battery check

DescriptionAn earth-ground cable fault-locating system capable of pin-pointing high-resistance ground faults for CATV cables.Thesystem consists of 4 basic elements: a battery-powered (12V)pulse generator, a battery-powered (9V) receiver, the "A" frameto which the receiver attaches and a compact carrying casehousing the pulse generator, receiver, battery charger, 12-voltauto cord, and ground stake.

Specifications

Electrical Pulse generator

Power supply 12V rechargeable battery

Battery life 16 hrs. approx.

Pulse duration 0.2 seconds

Receiver 12V

Power source (1) 9V battery


Input impedance 5 megaohms

Mechanical Size 17" x 9" x 9"

Weight 15 lbs.

Construction polypropylene plastic case,anodized aluminum receiver

and pulse generator housings

Features• Economical• High visibility orange case• Locates cable in walls as well as underground

DescriptionAccurately locates and determines the depth of buried cable ormetallic pipe. Consists of transmitter, receiver, tone probe,ground rod and carrying case.

The transmitter, powered by 8 "C" batteries, has two clip leadsapproximately 15' long used to electrically place transmitterbetween ground rod and cable shield or sheath. Control switchselects steady or warble tone, has battery condition indicator.

The receiver, a solid-state amplifier in plastic housing, isequipped with 60 Hz filter to prevent AC induction and with bat-tery condition indicator. Powered by 9-volt battery, it repro-duces steady or warble tone.

The tone probe, encased in molded rubber, acts as directionalantenna that picks up transmitted tone. Has bubble level foraccurate depth determination and is connected to receiver byflexible insulated 2-wire cable.


Order Mfg.No. No.PRG 074223 2003


Order Mfg.No. No. Size Weight

MET 008750 2003 3.62" H x 10.12" W x 13.75" L 4.5 lbs. less batteries

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573 A/C Sheath Fault / Cable LocatorDYNATEL™

Features• Pinpoints secondary faults and cable breaks• Locates exact cable path in crowded surroundings• Able to measure depth of buried cables


Order Mfg.No. No.DYN 041986C 573 A/C

Description

The Dynatel 573 A/C sheath fault and cable locator accu-rately locates the path of all buried, underground and interi-or-run CATV cable, including PVC jacketed and continuous-ly grounded armored cable, without service interruptions,using any of three frequencies.The set pinpoints damage inthe cable sheath, including pinhole faults or multiple shorts.The 573 A/C package consists of: a transmitter with built-involt/ohmmeter/output level meter, a hand-held receiver withto/from fault locations reference meter and audible cablelocation signal and meter indication, an earth contact frame,3001 Dyna-Coupler, 9012 direct-connect transmitter cable,9026 earth contact frame receiver cable, 9043 ground rodlead, 8006 ground rod, 9011 coupler extension cable, batter-ies, and operator’s manual.

Specifications Operating temperature -20°F to 140°F; -4°C to 60°C

Radio frequency operation 340 kHz ±30 Hz

Audio frequency operation 577.5 Hz ±0.25 Hz

Power frequency operation detects 540 Hz

Fault location operation 11 Hz ±0.15 Hz

Tracer tone accuracy ±1% overall

Maximum output power 2W maximum

Power requirements transmitter: four 6V lantern cells receiver: four 9V transistor cells

Size receiver: 11’’ W x 5’’ H x 8.5’’ D transmitter: 15’’ W x 13’’ H x 10’’ D

Weight 30 lbs. net

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4420L Cable / Fault LocatorDYNATEL™

Features• Pinpoint secondary faults and cable breaks• Locates exact cable path in crowded cable surroundings• Measures cable depth with the push of a button• Built-in voltmeter, ohmmeter and output level indicators

DescriptionThe Dynatel 4420L cable and fault locator is a portableinstrument used to pinpoint earth return faults and locate thedepth and path of buried power conductors, CATV and tele-phone cables as well as metallic pipes and tracer wire. Withits detachable receiver antenna, the unit estimates cable ormetallic pipe depth quickly and simply, giving a digital read-out in feet and inches.

The 4420L locates buried cable using one of four user-select-ed modes: peak, null, differential or special peak. The receiveralso incorporates a special "expander" function whichenhances the amplitude difference between two conductorscarrying the same tone, making the unit extremely accurate,even in congested areas. The unit can precisely locate faultson both short and long cable sections. It sends a trace tonesimultaneously with a fault-locate tone, allowing the operator touse the cable-locate function when locating faults in long cablesections and it can discriminate between light and heavy faults.

The 4420L consists of three basic components: a transmitterwith built-in voltmeter, ohmmeter and output level indicators, ahand-held receiver with detachable receiver antenna, and anearth contact frame that is color-coded to correspond with indi-cations from the receiver directing the operator towards thefault. Both the receiver and transmitter have a self-test routinethat is executed every time the unit is turned on. A continuousbattery status indicator informs the operator of reserve batterycharge during normal operation.

The 4420L cable and fault locator includes the receiver, trans-mitter, earth contact frame and the following accessories: largeclip direct-connect transmitter cable, small clip direct-connecttransmitter cable, ground rod, ground extension cable, shortreceiver/antenna cable, earth frame cable, alkaline batteries (six"D" cell/five "C" cell), 3" Dyna-Coupler, coupler extension cable,instruction manual and probe antenna.


Order Mfg.No. No.DYN 145365 4420L

Specifications

Electrical

Receiver: Frequency active: 577.5 Hz 7 kHz, 33 kHz, 200 kHzpassive: 540 Hz (power), 22 kHz (LF)

Depth range: 0 to 8'4" (0 to 2.5m)accuracy: ±10% of reading for 2" to 5' or ±1",

whichever is greater; ±15% of reading for 5' to 8'4"

Power five alkaline or nickel-cadmium "C" cells

Typical battery life alkaline: 50 hoursnickel-cadmium: 20 hours between charges

Transmitter: Trace frequency one of four pre-programmed user-selectable frequencies (577.5 Hz, 7 kHz, 33 kHz, 200 kHz)

Trace mode voltage 0 to 25 V RMS

Output power(displayed as a relative measure)normal setting: limited to 0.5 W

high setting: limited to 2 W for frequencies <45 kHz;1 W for frequencies 45 kHz

Volts function 0 to 250 V average; reads AC or DC voltage

Display resolution 12.5 V

Power six alkaline or nickel-cadmium "D" cells


Battery charger 11 to 15 VDC input at 450 mA; 15 hour charge cycle from fully discharged

GeneralOperating Temperature -4°F to 122°F; -20°C to 50°C

Size receiver: 5.6" W x 5.9" H x 10.8" D transmitter: 16.5" W x 10.6" H x 10.8" D

Weight 20 lbs. net (9.1 kg)

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2220L Cable LocatorDYNATEL™

Features• Pinpoints exact cable path in crowded cable surroundings• Operates on standard "C" and "D" batteries• Safety yellow color• Built-in voltmeter, ohmmeter and output level indicators

DescriptionThe Dynatel 2220L cable locator is a portable instrument usedto pinpoint the exact path of power conductors, CATV and tele-phone cables as well as metallic pipes and tracer wire. With itsdetachable receiver antenna, the unit estimates cable or metal-lic pipe depth quickly and simply, giving a digital readout in feetand inches.

The 2220L locates buried cable using one of four user-select-ed modes: peak, null, differential or special peak. The receiveralso incorporates a special "expander" function whichenhances the amplitude difference between two conductorscarrying the same tone, making the unit extremely accurate,even in congested areas.

The 2220L consists of two basic components: a transmitter withbuilt-in voltmeter, ohmmeter and output level indicators, and ahand-held receiver with detachable receiver antenna, with easy-to-read bar graph on the receiver to indicate received signal andproximity to the cable. Both the receiver and transmitter have aself-test routine that is executed every time the unit is turned on.A continuous battery status indicator informs the operator ofreserve battery charge during normal operation.

The 2220L cable locator includes the receiver, transmitter andthe following accessories: large clip direct-connect transmittercable, small clip direct-connect transmitter cable, ground rod,ground extension cable, short receiver/antenna cable, alkalinebatteries (six "D" cell/five "C" cell), 3" Dyna-Coupler, couplerextension cable, instruction manual and probe antenna.


Order Mfg.No. No.DYN 145367 2220L

Specifications

Electrical

Receiver: Frequency active: 577.5 Hz 7 kHz, 33 kHz, 200 kHzpassive: 540 Hz (power), 22 kHz (LF)

Depth range: 0 to 8'4" (0 to 2.5m)accuracy: ±10% of reading for 2" to 5' or ±1",

whichever is greater; ±15% of reading for 5' to 8'4"

Power five alkaline or nickel-cadmium "C" cells


Transmitter: Trace frequency one of four pre-programmed user-selectable frequencies (577.5 Hz, 7 kHz, 33 kHz, 200 kHz)

Trace mode voltage 0 to 25 V RMS

Output power(displayed as a relative measure)normal setting: limited to 0.5 W

high setting: limited to 2 W for frequencies <45 kHz;1 W for frequencies 45 kHz

Volts function 0 to 250 V average; reads AC or DC voltage

Display resolution 12.5 V

Power six alkaline or nickel-cadmium "D" cells


Battery charger 11 to 15 VDC input at 450 mA; 15 hour charge cycle from fully discharged

GeneralOperating Temperature -4°F to 122°F; -20°C to 50°C

Size receiver: 5.6" W x 5.9" H x 10.8" D transmitter: 16.5" W x 10.6" H x 10.8" D

Weight 20 lbs. net (9.1 kg)

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Test & Measurement EquipmentTDR Cable Tester for CATV



DescriptionThe 1401 Ball Marker makes the job of precisely locating under-ground facilities easier. Less time and skill is required from thefield crew, since placement is as simple as tossing the ball intothe trench. The unique self-leveling feature of the 4" Ball Markereliminates inaccurate locates.

The Ball Marker’s self-leveling design insures that the markeris always in an accurate, horizontal position, regardless of howit is placed in the ground.

The Ball Marker’s width allows the marker to be placed in a stan-dard trench without additional digging. The Ball Marker has arange of four feet (1.2 m).

The Ball Marker contains a passive-tuned antenna, moldedinside a plastic disk, which is free-floating inside a waterproof,polyethylene shell.

Dynatel™ manufactures a variety of underground markingdevices. Ask your Telewire Supply Sales Representative formore options.


Order Mfg.No. No.DYN 202546 1401

1401 4" Ball MarkerDYNATEL™

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Test & Measurement EquipmentTime Domain Reflectometers

E2520 Hand Held TDRTEMPO RESEARCH



DescriptionThe Tempo E2520 and E2521 are hand held, battery powered,solid state time domain reflectometers which accurately locatefaults on cables. They can be used on most types of cable fromtelecommunications cables, such as twisted pairs and coax, topower distribution cables.

The Tempo E2520 and E2521 are supplied in a rugged paddedpouch with provision for carrying the test leads and instructionmanual in the rear of the compartment. The batteries to powerthese instruments are housed in a compartment in the casebottom, accessed by a lid with two retaining screws. The instru-ments can be powered by manganese-alkali or nickel-cadmi-um rechargeable batteries.

Both instruments in the range mode have a balance controlthat can be adjusted, using the thumb wheel, to cancel out thetransmitted pulse.

Features• Thumb wheel adjustable balance to cancel out

transmitted pulse • User friendly• Membrane keypad• Function/range changing without leaving fault display• Automatic power down• LED back-lighting display• 128 x 64 graphic LCD with contrast control for

optimum viewing


Order Mfg.No. No. DescriptionTEM 202543 E2520 up to 9000'

TEM 202544 E2521 up to 900'

SpecificationsElectricalAccuracy ±2% of range

Ranges Auto or fixed E2520: 300’, 900’, 3000’, 9000’ and autoE2521: 30’, 90’, 300’, 900’ and auto

Resolution 1% of range

Input Protection 250V AC/DC

Velocity FactorVariable from 0.01 to 0.99 in steps of 0.01

MechanicalDimensions 7.5 x 3.5 x.2.25 inches

Weight 19 ounces

Case MaterialABS and Polycarbonate

Batteries Six, AA-size, manganese-alkali or nickel-cadmium cells

Battery Consumption without backlight E2520: 80mA nominalE2521: 100mA nominal

Output PulseAmplitude 5 volts peak to peak into open circuit

Impedance E2520: 120E2521: 50

Pulse Width Automatically varied by software for range selected

Update Rate Once per second for 5 minutes after last key depression

Power Down Automatic after 5 minutes with no key depression

WarrantyTempo Research warrants all Hand held TDR’s against defectsin material or workmanship for a period of one year from dateof shipment to original purchaser. All units returned to theTempo factory, delivery charges prepaid and deemed defectiveunder this warranty, will be replaced or repaired at Tempo’soption. No other warranty is expressed or implied, nor willresponsibility for operation of this device be assumed byTempo Research.

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Test & Measurement EquipmentTime Domain Reflectometers

TV110 CableScout™TEKTRONIX

DescriptionIf your job is to find faults on coaxial cable, the new TektronixTV110 CableScout™ is built for you. Designed specifically forCATV and other coaxial cable applications. CableScout appliesthe newest technology to provide both ease of use and coaxialcable testing performance that cannot be found in any other TDR.

With the TV100, you’ll spend less time operating the TDR, andmore time repairing faults. Simply select the cable type to betested and CableScout does the rest. Pulse width, Vp, gain,and vertical position are automatically selected and adjusted asyou scan the cable. Finding the fault couldn’t be faster, justmove the cursor to the fault and use the one button zoom func-tion to pinpoint its location. Identifying the fault is easy, just acti-vate the dual trace display to compare your waveform to thestored sample CATV waveforms. Then use the TV110’s stan-dard waveform memory to store and document your results.

On the performance side, CableScout employs optimized puls-ing and sampling, coupled with advanced filtering and signalprocessing techniques. That way, you’ll always have a cleanwaveform for easier event identification.

Best of all, you get all this performance and ease of use in theindustry’s most rugged TDR package. Come snow, rain, heatand humidity, CableScout keeps working, because you have to.


Order Mfg.No. No.TKX 157120 TV110



Designed Specifically for CATV/Coaxial CableApplications:

• Dedicated 75 ohm F connector• Pulse widths optimized for CATV/coaxial cable runs• Return Loss Measurement• Sample waveforms, cable types and Vps stored in memory

Exceptional Easy of Use:• One-step setup and acquisition• Exclusive one button zoom/overview function• Fully automatic and manual control modes• Context sensitive Help (Help screens available for all functions)

Unparallel Standard Features:• Internal memory for 20 waveforms with notes• Large, high resolution display (2.5"x6") clearly exhibits

more cable for faster fault identification• Intermittent fault location• Noise reducing digital trace smoothing• Marker Functionmeasures relative distance between any two points• Serial RS-232 printer output• Rain, dust, and shock proof packaging (2 meter (6ft) drop tested)• Operating temperature: -15 to +60 degrees C (5° To 140°F)• 8 hr battery, alligator clips, adapters & carrying case included

Included Accessories• BNC to alligator clips, F to BNC, and F to F barrel adapters• Coaxial jumper cable• Soft carrying case with shoulder strap• U.S. AC adapter/charger, 120VAC, 60Hz, 9V @ 1A• User manual• Quick reference card• The rechargeable internal lead acid battery is a standard feature• Standard warranty: 1 year

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Test & Measurement EquipmentOptical Time Domain Reflectometer



5350 Modular Optical Test Instrument3M

DescriptionConvert a notebook computer into a full-featured OTDR

The Photodyne 5350 Modular Optical Test Instrument bringscomplete fiber optic testing to any notebook computer. Withtesting capabilities at 1310 nm and 1550 nm, the 5350 pro-vides all the power and features of larger, more expensivemainframe OTDRs-in a highly portable, battery- or AC-operat-ed package.

The 5350 consists of three basic elements:• Modular tray that simply attaches to the underside of a

notebook computer• Optical modules which are inserted into slots in the

modular tray• 3M application software easily installed by the user

The user can install three optical modules, or two optical mod-ules and one battery module for prolonged operating life. Thismodularity allows the user to customize the unit to fit a varietyof applications.

The 5350 provides all the applications of a dedicatedOTDR:

• Link installation and restoration• Splice loss measurement • Troubleshooting fiber systems• Long-term link analysis

The 5350 is easy to use and requires minimal training. Usingsimple, menu driven operation, the 5350 guides the userthrough a wide range of concise OTDR measurements:

• Absolute distance• Two-point distance• Two-point loss• Fiber attenuation• Splice loss• Back reflectance• ORL

The unit provides concise, easy-to-read measurement tableswhich can be stored and printed later on any standard PCgraphics printer. Future measurement needs are met through3M software upgrades.

By pressing a single "auto-test" button, the 5350 automaticallyscans the fiber trace and measures distance, loss and backreflection values for all fiber features. This allows the user toquickly pinpoint breaks or locate the end of the fiber.

The unit's ability to compare a new fiber trace with a previoustrace of the same fiber allows the user to quickly identify wherea fault has occurred. Enormous trace file storage capacityallows the OTDR to carry a complete archive of the fiber net-work for easy access during restoration.

Advantages of PC-based operationThe 5350 is not a stand-alone unit; its PC-based architectureprovides a cost-effective solution that offers many advantages:

• Can use notebook for other software applications• Fully up-gradeable-easy to reconfigure to meet changing needs• Disk storage and modem capabilities allow unlimited data transfer• Convenient off-line analysis• User-programmable and RS-232 controllable• Easy configuration via serial port

The 5350 is controlled by 3M OTDR Operating Software, whichoffers standard OTDR features and more:

• Auto splice• Accurate measurements of saturated back reflections• Total optical return loss measurement• Improved marker and cursor movement• Easier installation

For options and ordering information contact your Telewire Supply Sales Representative.

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Test & Measurement EquipmentOptical Time Domain Reflectometer



TFS3031 TekRanger™ Mini OTDRTEKTRONIX

DescriptionTektronix Communications Test Business Unit provides abroad range of products in: Cable tests, transmission tests,and RF and wireless applications.

The TFS3031 TekRanger™ Mini-OTDR with IntelliTrace™Automated Fiber Analysis System is a rugged, easy-to-use,mini-optical time domain reflectometer (OTDR) built to standthe rigors of field work, while providing precise measurementson single mode or multimode optical fiber systems.

The location, reflectance and loss of every splice in a systemappears quickly and clearly on the large 7-inch display screen.The TFS3031 is the only mini-OTDR that can report a splice 30meters away while also finding splices more than 100 kilome-ters away at the push of a single button.

The IntelliTrace Advantage.IntelliTrace technology automatically adjusts acquisitionparameters to provide the best possible resolution, while main-taining the necessary dynamic range for accurate measure-ments. The various pulse widths used during the acquisitionresult in a much more accurate waveform.

Easy to Operate.Operation of the TFS3031 with IntelliTrace Automated FiberAnalysis System is simple and quickly learned. One-buttonoperation brings up easy-to-read traces on the display screenalong with an event table, indicating everything about a splice.

Editing Versatility.A flexible user interface provides the ability to edit tables, addmarkers to traces, measure reflectance and splice loss with asingle cursor, and even customize your data tables. Singlemode and multimode operation in the same instrumentenhances the utility and efficiency of the TekRanger Mini-OTDR.

Optional Floppy Disk.Test results are stored in the TekRanger Mini-OTDR’s ampleinternal memory or collected on the optical floppy disk. Thedata, uploaded to a PC, allows further analysis with FMTAPTrace Analysis Software. The data can also be sued in the full-sized Tektronix FiberMaster OTDR.

The TekRanger Mini-OTDR’s disk drive also permits updating of theunit’s firmware in the field, keeping it current with network changes.

Features• One-Button Automatic Fiber Analysis• Large, High-Resolution Display• "Real Time" Testing• Easy-to-Change Wavelengths• 5 Meter Single mode Dead Zone• 8 Meter Multimode Dead Zone• .02 dB Loss Threshold• 32 dB Single mode Dynamic Range• 26 dB Multimode Dynamic Range• 15-60 dB Selectable Reflectance Threshold• Measurements Reported: Splice Loss Reflectance Link

Loss Fiber Attenuation Distance to Events• Shock, Water, and Dust Resistant• Echo Detection• Compatible with: FiberMaster FMTAP PC Spreadsheets• Internal Memory for 100 Waveforms• Software Up-gradeable in the Field• 4 Hour Battery Charge Time• RS232 and Parallel Ports• 3.5 Inch Internal Floppy-Disk Drive (optional)• Multimode/Single mode (CCITT G.652) in One Unit (optional)

Standard AccessoriesOperator manual 070-9027-00

Quick reference card 063-2096-00

NiCad Battery pack 146-0112-00

Power/Charger adapter 119-4545-00

Power cord 161-0228-00

Soft Carrying Case 016-1215-01

For options and ordering information contact your Telewire SupplySales Representative.

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Test & Measurement EquipmentSpectrum Analyzer



• Carrier level, carrier frequency, carrier-to-noise, hum/LFD, and other key measurements execute automatically from easy-to-use on-screen menu

• Unattended and remote measurement modes reduce personnel requirements in the field

• 75 ohm input with quick-change F and BNC connectors reduce repair costs and minimize down time

• Enhanced troubleshooting power with built-in preamplifier,audio and video demodulation - all standard

• System maintenance facilitated by FM audio carrier deviation and video depth of modulation adjustment modes

• Includes MS DOS-compatible PC software for programmed measurement configuration, data collection, report generation, and communications with locally or remotely located 2715

• High portability, on-board non-volatile memory, four digital displays for spectral display storage and comparison, plus true analog, continuous gray scale display for detecting low level beats and spurs amidst noise and active video

Quick, repeatable, automated measurementsThe 2715 contains the following measurements and capabili-ties in its cable TV (CATV/APPL) application menu:

• Direct channel tuning and automatic positioning of visualand aural carriers

• Visual and aural carrier level and frequency measurement• Survey of system visual and aural carrier levels and frequencies• Depth of modulation adjustment and measurement• Aural carrier FM deviation adjustment and measurement• Visual carrier-to-noise measurement• In-channel response measurement• Hum/low-frequency disturbance measurement• System frequency response• View baseband modulation (field and line) and view picture• Aural carrier demodulation (listen mode)• Intermodulation distortion measurement (CTB and CSO)• Cross modulation measurement

Measurements selected from the menu are automatically exe-cuted, and the results are displayed on the CRT screen. Notonly are complex measurements reduced to push-button sim-plicity for less experienced spectrum analyzer users, but mea-surement repeatability is high.

Measurement results can be output to a printer or plotter con-nected directly to the 2715’s interface port. Results can also beautomatically stored in the 2715’s non-volatile memory for latertransfer to a PC. This, along with high portability, makes the2715 ideal as an automatic data collection tool in the field forengineers and technicians alike.

A battery pack option makes 2715 measurements and data collection possible even where AC power isn’t available.

Using the MS DOS-compatible PC software supplied withevery 2715, collected measurement data can be transferred toan organized PC database. The 2715’s PC software also pro-vides a variety of facilities for data archiving, analysis, andautomatic report generation.

2715 Cable TV Spectrum AnalyzerTEKTRONIX

DescriptionThe 2715 is a complete cable TV RF testing solution.

Dependable, In-service measurements at an affordable price

Now you can make more proof of performance and other cablesystem measurements without disruption of service to sub-scribers. And you can minimize the inconvenience of makingmeasurements at the output of set-top converters. The 2715provides accurate and automated measurement of carrier-to-noise, in-channel response, and coherent distortion signals aswell as carrier levels, frequencies, and more … without removalof video carriers or modulation. In-service measurement of CTBrequires an unoccupied channel adjacent to the test channel.

You get all this capability in a 23.5 lb., compact, easy-to-carrypackage … at an attractive price. All of the common cable sys-tem spectral measurements are built in and menu selectableincluding those needed to address field FCC proof of perfor-mance requirements. An accompanying MS DOS-compatiblePC software package adds measurement configuration, datacollection and automatic report generation capabilities.

What used to be complicated measurement procedures, evenfor engineering, are now push-button simple. Technicians caneasily perform extensive cable system analysis and data col-lection in the field, all automatically.

Measurements and data collection can also be done remotelyunder computer control. Or the 2715 can be left unattended torun automatic measurements and data collection initiated bythe built-in real-time clock. Data collection in the field can betransferred from the 2715’s memory via an RS-232 or GPIBinterface to an MS-DOS personal computer. The 2715’saccompanying PC software package includes data archivingfacilities as well as automatic report generation for proof of per-formance records.

Features • In-service RF Testing From Tektronix• In-service measurements minimize program interruption,

reduce cost of acquiring performance data• Measurements at set-top converter output simplified• Addresses all FCC proof of performance measurements• Cable TV measurements enhance measurement

repeatability and reduce technician training time• In-service measurements compatible with NTSC and PALsystem

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Test & Measurement EquipmentSpectrum Analyzer

2715 Cable TV Spectrum Analyzer continuedTEKTRONIX

More troubleshooting help…In addition to automated measurements, the 2715 also provides videoand aural carrier demodulation. Aural carrier demodulation allows youto listen to the program audio on the selected channel. Similarly, thedemodulated video feature allows you to view the video on the cur-rently selected channel (or from a down-converted satellite signal).Also, full-field or individual horizontal line waveforms can be viewed.

All of these features aid positive channel or program identificationin the field. They also aid recognition of many system problems.

… And maintenance helpBuilt-in adjustment modes for audio carrier deviation and videodepth of modulation assist in day-to-day maintenance of your sys-tem. These adjustment modes are conveniently accessible withthe automated FM deviation and depth of modulation measure-ments, so follow on adjustments can be quickly and easily made.

Check filters, line amplifiers, cablesThe 2715’s 75 External Tracking Generator (Option 05) providesa convenient means of measuring frequency response on key sys-tem components. You can also sweep most two-port devices.

The 2715 capitalizes on PC powerThe MS DOS-compatible PC-based software package thataccompanies the 2715 runs automated cable TV measure-ments via an RS-232 or GPIB interface and provides a per-petual database for tracking system performance.

Channel table generatorYou can create your own channel tuning tables in addition to the stan-dard tables provided. Creating your own custom channel tuning tablesis a simple matter of editing one of the standard tables or creating acompletely new table by filling in a predefined, on-screen channelsetup form. Your custom tables can then be transferred to the 2715 tobe used with its built-in measurement features. Result: data will beconsistently taken on all of your system carriers including scrambledchannels, aeronautical offsets, and non-standard frequencies.

High-level test sequencesYou can configure automatic test sequences from the 2715’sbuilt-in measurements. Creating a test sequence is a simple mat-ter of indicating the desired tests in an on-screen setup matrix.

Your test sequences can then be transferred to the 2715 forlater execution via front-panel selections, or run by remote con-trol from an MS DOS-compatible PC. This latter capabilityallows technicians to easily execute high-level test sequencesthat have been defined and loaded into the 2715 by the cableTV system engineer.

Additionally, a time of day can be specified for automatic executionof any test sequence. You can also specify the number of times thata test is to be repeated and the interval of time between test repe-titions. This allows you to leave the 2715 unattended while it auto-matically performs its time initiated test procedures and storesresults. For example, you can leave the 2715 at a hub site overnightor over the weekend for unattended monitoring and data collection.



Report generatorYou can generate test and measurement reports that can be inany of several forms:

• X-Y graphs• Tabular output• Detailed reports

These reports are directly usable for presentation of proof-of-performance data.

Historical databaseData storage, archiving, and analysis for creating and compar-ing histories of previous measurements are provided. The his-torical database can be used with the report generation featurefor automatic assembly of reports. Data can also be exportedto dBASE IV® Compatible database programs and to spread-sheets such as Excel® and Lotus

1-2-3.®

Remote controlYour PC can execute tests and measurements on a remotely locat-ed 2715 and receive results at the PC. Communication betweenthe computer and the 2715 is through the RS-232 interface.

Remote control of the 2715 can be extended to any locationthrough modems and a dial-up phone line. You can place the2715 at a hub or any other remote site while measurementsand data collection are controlled from a centrally located PC.This configuration can significantly reduce the number of fieldtrips necessary to monitor and diagnose system trouble spots.

General purpose capabilitiesIn addition to its special cable TV features, the 2715 also dou-bles as a highly capable, general-purpose spectrum analyzer.You get excellent RF performance, a built-in frequency counter,full programmability, enough non-volatile memory for up to 108saved displays and 36 front-panel setups, digital and true ana-log displays, high portability, and numerous other features.

Access to the 2715’s many capabilities is extremely easy, too.The straightforward user interface provides convenientlygrouped, dedicated front-panel keys and simple, menu-drivenfunctions. This makes the 2715 very easy to learn and use. Theend result is more measurement power in the hands of morepeople for improved system performance from cable headendto subscriber terminal.


Order Mfg.No. No.TKX 250874 2715

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Test & Measurement EquipmentBase Band Measurements



Baseband Measurements and FCC Compliance TestingBY MARK J. EVERETT - VIDEOTEK, INC.

The revised technical requirements presented to the Cable TV industry bythe FCC last year has caused quite a stir, and raised many questionswhich are still unanswered. A small portion of these rule revisions apply tobaseband or demodulated signal testing. I am presenting this article frommy point of view, baseband. Both my background and comfort lie in thebaseband rather than the modulated portion of the world. There are clear-ly three measurements which must be made in the baseband mode, andone more which might be included. The purpose of this article is to clarifythe measurements and their use in the real world. I do not wish to implythat any suggestion offered here is one which must be followed - this areais cloudy enough, and I have no desire to make it worse. Further, I will offera means of performing these tests which may be easily accomplished byalmost anyone.

First, the tests required by the FCC. “Chrominance to Luminance DelayInequality” refers to a phenomenon which is most apparent in a 10th gen-eration VHS duplicated tape you got from other faults, the facial color, forexample, of the person on screen is displaced to the left (or right) of theface. This displacement of the color information from the black and whitedetail information is Chromiance to Luminance Delay Inequality. This dis-tortion of the video signal happens primarily in situations where the base-band signal is separated, by frequency band pass, for processing.Common processors are most video tape recorders (VCRs), time basecorrectors (TBCs), processing amplifiers with separate controls for colorgain and contrast (or luminance) gain and television receivers. The FCCtest allows for an error or time displacement of up to 170 nanoseconds,they don’t care in which direction the separation takes place, and it doesn’treally matter. The ideal state is where the chroma and luminance are intime with each other, that is a delay inequality of 0 nanoseconds. A relativedelay, either leading or following, of 170 nanoseconds is an on screen dis-placement of slightly less than 0.1 inch on a 19” television screen. Mostbroadcasters feel that 170 nanoseconds of error is about as wide as barndoor, but the on screen visual reality is not that bad. The most common testsignal used to measure this delay inequality is a 12-T modulated pulsewhich is a portion of two standard combination test signals.

The FCC and the NTC-7 Composite test signals(Figures 1 and 2) bothhave a 100% bar, a 2T pulse, a 12-T modulated pulse and a 5 step mod-ulated stair step as members of single line test signal. One or the other ofthese two test signals is usually present in the vertical interval in everybroadcast and satellite signal, so it is a readily available test signal. Thepulse in question is the broader triangle shaped pulse and the filler insideis chroma information. When all is well, the bottom is flat, but with errorsthe bottom can take on a curved or “S” shape. The “S” shape distortion isthe delay inequality in which we are interested.

The second mandated measurement is Differential Phase. This is a slight-ly less prevalent phenonmenon, but it is a phase (hue) change or shift incolor caused by a variance in luminance. Imagine watching a footballgame, on television, from Dallas. It is a sunny day, and you know that allof the astro turf on the field is one shade of green, but when the cameracoverage goes from the sunny area to the shaded area, the grass colorgoes from green to yellow-green. That hue shift, due simply to luminancelevel, is differential phase. The FCC allows a maximum of 10 degrees shiftto maintain a legal signal. Here, again, most broadcasters are moaningabout the wide amount of error allowed. The truth is that, although manyof us can see a phase difference of 10 degrees, when anyone sets thehue control on a television set for “proper” flesh tones, he can be off by 10degrees, and yet feel like the hue is correct. Green to yellow-green, by theway, is about 30 degrees of phase shift. There are many more test signalsavailable and in use to test differential phase, and the FCC or NTC-7

Composite test signal (again Figures 1 and 2) are two available test sig-nals, either of which may be used. Here, the 5 step modulated stair stepportion is used. The variations are 10 modulated steps, or a ramp with amodulated signal imposed on the ramp. In all cases, the modulation is ofone phase, and it is usually a yellow-green color. The test is to measurethe phase at all luminance levels and compare the absolute differences,the amount, in degrees, is differential phase.

The third mandated baseband test is Differential Gain. Yes it soundsalmost the same, and yes, some have already figured out what this onemeans. In the baseband world, we quite often refer to both DifferentialPhase and Gain, because they are often interactive occurrences. Backto the Dallas Cowboys, same conditions, but now when the action goesfrom the sunny area to the shaded area, the hue stays green, but theintensity goes from bright green to almost no green at all. The chromagain (or color intensity) seems to change based on the relative light levelof the scene and this is differential gain. For this test the FCC allows asmuch as 20% variation in differential gain. Even I think that this is anexcessive amount of tolerance, but the truth is that 20% variation inchroma gain is not distinguishable by most viewers. Testing is per-formed with the exact same test signals used for differential phase. Themodulated stair step or ramp is used here also, and the difference inmeasurements is to measure the total chroma amplitude at all levelsand compare the amplitude differences, the maximum difference, in per-centage, is differential gain.

There is a fourth measurement set, which is the subject of some discus-sion. This is testing the frequency response of the channel. There aresome conflicting ideas, but the FCC document does refer to “using eithera multiburst generator or vertical interval test signals.” I will not join inquestion of using a sweep, or sin X over X, or RF spectrum analyzers, orthe fact that FCC compliant modulators start to roll off at 4.1 MHz andhave to be 20 dB down at 4.75 MHz. There are a couple of base band testsignals which are there to measure frequency response. Two very com-mon vertical interval test signals available for this testing is the NTC-7Combination and the FCC Multiburst test signal (Figures 3 and 4). Theyare slightly different signals, but both contain packets of representative fre-quencies from 5 MHz to over 4 MHz. Here, the requirement is within 2 dBof the idealized level, over the entire range. The testing is to simply recordthe source amplitudes then measure the resultant signal after processingand calculate the difference. The test is looking for the maximum variationat the worst frequency in the situation under test.

All right now, so how do you do this easy? and accurate? and with littleor no technical skill? Get an automatic baseband measurement instru-ment. There are a couple available on the market, and in all cases theymust be set up, by a qualified technician, to describe the location (linenumber and field number in the vertical interval) of the test signals to beused to perform the measurements on each channel to be tested in yoursystem. The most cost effective test unit is controlled by a PC, which isprobably already used by the field technicians, and is simply an auto-matic measurement instrument. More expensive units have waveformand vectorscope functions built in, so they might be used by the seniortechnician to build tests and as a trouble shooting field test instrument.

Testing requirements of each system is unique but there remain somesimilarities. Everyone must comply with the same rules, and the auto testinstruments available from at least one manufacturer have the FCC cableTV measurements parameters built into the instruments.

Auto testing can identify your errors, but we are all still waiting for thedevice to identify and then fix those errors. Until then, happy testing.

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Test & Measurement EquipmentBase Band Measurement Equipment



Features• Provides test signals used by TVM-730, S-2000

and other automatic measurement instruments• Insertion on user selectable line and field• NTC-7 Combination• NTC-7 Composite• FCC Color Bars• FCC Composite• FCC Multiburst• Bypass on power loss• Compact package• 12-bit, 8x Fsc processing

Description

The VIT-411 Vertical Interval Test Signal Generator inserts highquality test signals into the vertical blanking interval of a videoprogram signal. These are used to evaluate the transmissionpath without interruption of programming. It is designed to berackmounted in a DAT-1 tray or carried in the field. The VIT-411provides for user selection of the FCC or NTC-7 test signal sets.

Applications• CATV baseband system tests• Common carrier microwave• SNG and ENG vehicles• Duplication Quality Assurance

FeaturesTuner

• 181 Channels (VHF/UHF/CABLE) NTSC American Standard• Synchronous detection• Frequency synthesized channel selection• Infrared Remote Control• Random access, search or single channel up/down

tuning via remote controlVideo

• Video BNC loop thru• TV-LINE-VTR selection• VTR 8-Pin• Multi-level closed caption capability, CC1 and CC2• Blue Gun, standard

Audio• Audio RCA loop thru• VTR 8-Pin

Other• Extensive monitor adjustments via remote control menus• Pulse Cross option• Underscan option• Order as- RM-13T: Stand Alone unit, RM-13TR: Rackmount unit

Description

The Videotek model RM-13T/RM-13TR 13" Microblack™ SonyTrinitron‚ cable-ready color receiver/monitor accurately dis-plays precise, bright, sharp images in broadcast, cable TV andclosed circuit applications. The 13" receiver/monitor featuresDC restoration, closed caption capability, baseband videoinput, and 8-Pin VTR connector. Options available includepulse cross and underscan.


Order Mfg.No. No.VTK 202250 VIT-411

VIT-411 Vertical Interval Test RM-13T & RM-13TRSignal Generator/Inserter Color Receiver / MonitorVIDEOTEK VIDEOTEK


Order Mfg.No. No. DescriptionVTK 202253 RM-13T Stand Alone unit

VTK 202254 RM-13TR Rackmount unit

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TVM-730 Composite Video Analyzerwith Auto-MeasureVIDEOTEK

DescriptionThe TVM-730 Video Analyzer sets a new standard for combi-nation waveform monitor/vectorscopes. It is the first combina-tion model to have auto-measure capabilities in a half-rackwidth, 5-1/4 inch high package. Auto-measure provides textreadouts for horizontal blanking measurements, frequencyresponse, test signal parameters and many other measure-ments. An innovative combination of analog and digital signalprocessing provides the fidelity of analog resolution with theunquestionable accuracy of digital measurements. Operatordefined measurement parameters can be stored in memory forinstant recall and the output can be downloaded to a personalcomputer for storage or to generate a hard copy print-out.

The TVM-730 provides two operating levels. Level I lets oper-ators display waveforms, vectors, pictures and one SC/Hphase. Level II gives engineers a complete range of tools,including digital line selects, quad SC/H phase displays, mea-surement cursors with on-screen digital readouts, and a revo-lutionary 3-D display. Tactile membrane hard keys select all pri-mary functions while soft keys select context sensitive on-screen menu items. All functions are clearly labeled for intuitiveselection. Four composite inputs and a wide variety of functionsprovide monitoring flexibility. Nine different inputs/filters can bedisplayed simultaneously, such as differential phase, differen-tial gain, flat, low pass and chroma filter. Waveforms can be dis-played in simultaneous parade modes or overlayed for com-parison of timing and amplitude characteristics. Vector displayscan be overlayed for simultaneous observation and compari-son of the phase and amplitude of up to three signals. On-screen writing completely describes the display on the CRT.The picture mode displays monochrome pictures individually,or paraded. Remote control (RS-232/RS-422) of memoriesmay be accessed via a personal computer.

Features• Inputs Four composite loop-through. Any input can be

selected as reference.

• Auto Measure Automatic measurement of hundreds oftests, the TVM-730 does NTSC (FCC, RS-170A, RS-250C, NTC-7 and CABLE), and the TVM-730P doesCCIR (473, 567, 569 and 624) parameters as well ascommon basic measurements. Two input/output portsare provided. One may be directly connected to a printerand the second port is available for other connectionssuch as a personal computer.

• Analog Displays Waveform parade or overlay of threeinputs and three filters. Vector overlay of three inputs.Combination of vectors overlayed and waveforms parad-ed and/or overlayed simultaneously. Up to nine differentinputs/filters can be displayed simultaneously.

• Digital Line Select Three independent selections, eachcapable of displaying any line of any single field of anyinput. Monitor up to three inputs simultaneously. Brightdisplay stored at 8x Fsc, 10 bit resolution. Observe VITSin and out of devices.

• SC/H Phase Display (patented) Measure up to fourinputs simultaneously. Drift free accuracy over a widetemperature range (0°C to 50°C).

• On Screen Digital Readouts Inputs, filters, line andfield numbers and cursor measurement values.

• Cursors Measurements of time, amplitude, phase andsaturation in absolute and delta values.

• User Interface Two operating levels. Level I for allbasic wave form, vector and picture modes. Level II forline selects, SC/H phase displays, measurement cursors,3-D display and other sophisticated waveform and vectordisplays. Easy to use hard keys with sub-selection viasoft keys. Context sensitive on-screen menus. Sub-selection menus are easy to learn and easy to anticipate.Intuitive function selection. No hidden functions. All func-tions clearly labeled.

• Memory Storage and recall of 20 user defined panelsetups with complete instrument settings including gratic-ule intensity, cursor positions and focus. Upload anddownload via a personal computer. Store settings forfuture reference.

• 3-D Display (patented) Unique adaptation of vector dis-play to include luminance component on Z axis. Can berotated on X, Y and Z axis. Shows all dimensions of thevideo signal simultaneously. Quick, intuitive verification ofall aspects of the signal.

• Remote Control lRS-232/RS-422 port allows upload,download and recall of all Level II memories, plus totalcontrol of auto-measure.

• Intensity Independent adjustments for waveform, vec-tor, text and picture displays.

• FCC/Cable Auto-Measure Automatic measurementsincludeall base band video measurements required bycurrent FCC rules for cable television, and in the requiredformat.

• Screen Print This instrument has the ability to print anywave form or vector display. The “Print” feature allowsthe on-screen viewing of the selected video signal andprints, via a serial port, to any Epson graphics capableserial printer.

• Standards Available NTSC/PAL


Order Mfg.No. No.VTK 202249 TVM-730

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DescriptionThe Videotek model DM-154 Demodulator is a high perfor-mance television tuner/demodulator designed for use inBroadcast, Cable TV and Closed Circuit applications. It con-tains features beyond standard tuners, including MTS stereodecoder, Second Audio Program (SAP), forced mono mode, aZero Carrier chopper, user disable of the audio trap, 4.5 MHzaural carrier output, external IF loop, and remote control via anRS-232 port. The unit receives “off air” or cable signals, pro-cesses these signals, and provides two buffered compositebaseband video signals. Additionally, the DM-154 provides bal-anced stereo audio, forced mono or SAP outputs, and a frontpanel speaker for monitoring the selected audio output.

FeaturesTuner• 154 Channels (VHF/UHF/Cable) HRC/IRC capability• 1Synchronous detection• 1Frequency synthesized channel selection• 1Random access, search or single channel up/down tuning• 1HRC/IRC offset tuning capability with memory for every

channel selection• 1Front panel antenna/cable selectionVideo• 1Full FCC bandwidth video - 4.1 MHz ± 0.5 dB• 1Two Baseband Video OutputsAudio• 1BTSC (MTS) Stereo decoder output with LED pilot indicator• 1Balanced (XLR) Stereo audio outputs• 1SAP presence LED indicator• 1User selection of Stereo, Mono, SAP, or Mono and SAP outputs• 1Internal audio monitoring - 1 inch speakerOther• RS-232 remote control• Tactile feel membrane front panel keyboard with LED feedback• Quadrature output for ICPM measurements• Chopper circuit, on front panel selectable line for Zero

Carrier modulation reference• IF (45.75 MHz) loop, enabled by an internal jumper• 4.5 MHz aural subcarrier output• Front panel LED channel display• Front panel memory maintained during power loss for 1 week• 75 "F" connector for antenna/cable input• 1-3/4" high, rack mountable.

DescriptionThe Videotek Model DM-141A Demodulator is an MTS stereotuner/demodulator designed specifically for Broadcast, CATVand closed circuit monitoring applications. The unit receives“off air” or CATV signals, processes these signals and providestwo buffered composite baseband video outputs. Additionally,the DM-141A provides balanced stereo audio outputs, whichmay be monitored via the front panel speaker.

The DM-141A can tune 154 channels, producing excellentmonochrome and color video and high quality audio. All func-tions are readily selectable by tactile front panel controls.

FeaturesTuner• 154 Channels (VHF/UHF/Cable) HRC/IRC capability• Manual fine tuning• Automatic frequency tuning• Random access search or up/down channel selection• Frequency synthesized channel selection• Synchronous detectionVideo• Two Baseband Video OutputsAudio• BTSC (MTS) Stereo decoder output with LED pilot indicator• Balanced (XLR) Stereo audio outputs• Internal audio monitoring - 1 inch speakerOther• Front panel LED channel display• Tactile feel membrane front panel keyboard with LED feedback• Controls for video gain, audio gain and balance on front panel• Front panel memory maintained during power loss for 1 week• 75Ω “F” connector for antenna/cable input• 100% solid state circuitry for long term reliability• 1-34" high, rack mountable.


Order Mfg.No. No.VTK 202251 DM-154


Order Mfg.No. No.VTK 202252 DM-141A

DM-154 Agile Stereo Cable Ready DM-141A Agile Stereo Cable ReadyPrecision Video Demodulator TELEVISION DEMODULATOR

VIDEOTEK™ VIDEOTEK™

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