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GDP-3224 Geophysical Receiver

Terraplus Inc. terraplus.ca 120 West Beaver Creek Rd, Unit #15 1.905.764.5505 Richmond Hill, ON, Canada, L4B 1L2 [email protected]

Terraplus e m p o w e r i n g d i s c o v e r y

your source for geophysical instruments

Multi-Function Receiver The GDP-82/24 is the next generation multi-c11a1111e1 receiver for acquisition of controlled- and 11auu'a1so1u'ce eeoelectric and EM data.

ENHANCEMENTS

24-bit analog system 133 MHz 586 processor Expanded keyboa1°d %-VGA graphics display 100BaseT Ethernet port

UNIQUE CAPABILITIES

• Remote control operation • Broadband time-series recording • High-speed data transfer

FEATFRES • • • . .

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1 to 16 channels. user expandable Alphanumeric keypad 133 MHZ 586 CPU Easy to use menu-driven software Resistivity. Time/'F1'equency Domain IP. CR. CSA.MT. Harmonic analysis CSAMT (HACSAMr). AMT. MT. TEM & NanoTEM® Screen graphics: plots of time-domaiti decay. resistivity and phase. complex plane plots. etc.. on a 480x320 1/3-VGA. sunlight readable LCD Illtemal humidity and temperature sensors Time schedule program for remote operation with the XMT-3*S transmitter colltroller GPS time synchronization with transmitter. with using XC-32 Use as a data logger for allalog data. borehole data. etc. Full compatibility with GDP-16 and GDP-3° series receivers.

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0.015625 Hz to 8 KH; frequency range standard. 0.00002 Hz minimum for MT One *4-bit AID per cllallnel for maximum speed and phase accuracy. 512 MB Compact Flash Card (up to 4 GB) for program and data storage. sufficient to hold many days worth of data . 128 MB dRAM (up to 256 MB) for program execution. Optional data storage device (up to 40 GB) for time series data recording. Real-time data and statistics display Anti-alias. powerline notch. and telluric filtering Automatic SP buckout. gain setting. and calibration Rugged. portable. and enviromnentally sealed Modular design for upgrades and board replacement Complete support: field peripherals. service network. software. and training

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SPECIFICATIONS FOR THE GDP-32/24 MULTI-FUNCTION RECEIVER

General

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Broadband multichannel. multifunction digital rec ever Frequency range: 1 641-Iz - SKHz (0.0007Hz - SKHz for MT) Number of channels: Large case, 1 to 16 (user expandable)

Small case, 1 to 6 (user expandable). Standard Survey capabilities:

Resistivity. Frequency- and Time Domain IP. Complex Resistivity. CSAMT (scalar, vector. tensor). I-Iannonic Analysis (CSAMT. Frequency-Domain E M,Transient Electromagnetics, NanoTEM®. MIMR. Magnetic IP, Magnetotellurics. Downhole Logging.

Software language: C++ and assembly. Size: Large case 43x41x23cm (17x16x9")

Small case 43x31x23cm (17x12x9") Weight: (including batteries and meter connection panel):

Small case 13.7 kg (29 lb) Large case : 8 channel. 10 amp-hr batteries, 16.6 kg (36.5 lb) 8 channel. 20 amp-hr batteries, 20.5 kg (45 lb) 16 channel, disk. 10 amp-hr batteries. 19.1 kg (42 lb)

Enclosure: Heavy-duty. environmentally sealed aluminum Power: 12V rechargeable batteries (removable pack) Over 10 hours nominal operation at 200C

(8 channels and 20 amphr batteries) . External battery input for extended operation in cold climates. or for more than 8 channels.

Temperature range: -40o to +50€:C Humidity range: 5% to 100% Intemal temperature and humidity sensors Time base: Oven-controlled crystal oscillator: aging rate <5x10-10

per 24 hours (GPS disciplining optional)

Di pl s ays & Controls I-Iig,l1-contrast sunlight readable %-VGA (480x320) DFT- technology LCD graphics display, with continuous view-angle adjustment (optional heater for use down to -400>).

Sealed 80-key keyboard Analog signal meters and analog outputs Power On-Off

Standard Analog Input impedance: >10 MQ at DC Board Dynamic range: 212 db Minimum detectable signal: 0.03 PV Maximum input voltage: i32V SP offset adjustment: i2.25V in 69uV steps (automatic) Automatic gain ranging in binary steps from 1/8 to 102-4 Common-inode rejection at 1000 Hz: >80 db Phase accuracy: =lr0.1 milliiadians (0.006 degree) Adjacent channel isolation at 100 Hz: >90 db Filter Section: Quadruple-notch digital telluric filter

(50/150/250/450 Hz. 50/150/60/180 Hz, 60/180/300/540 Hz, spec ivied by user)

Analog to Digital Converter (Standard Channel) Resolution: 24 bits Conversion time: 30 u sec One A/D per channel for maximum speed and phase accuracy

Na11oTEM® Analog Input impedance: 20 KS! at DC Dynamic range: 120 db Minimum detectable signal: 4 $1V Automatic gain ranging in binary steps from 10 to 160 Analog to Digital Converter: 14 bits :|: % LSB, 16 bits optional

Conversion time: 1.2 psec One A/D per channel for inaxinium data acquisition speed

Digital Section Miciloprocessor: 133 MHz 586 Memory: 128 MB dRAM (up to 256 MB) Mass Storage (program & data storage):

512 MB Compact Flash Card (up to 4 GB). Data storage device with capacities to 40 GB optional

Serial ports: 2 RS-232C ports (16650) standard Network Adapter: Ethernet adapter standard (100BaseT) Mouse. CRT (VGA), and standard keyboard ports Optimized Operating System

Additional Options Number of channels: (maximum of 3 NanoTEM® channels)

Large case: 1-16 Small case: 1-6

External battery and LCD heater for --40oC operation

Other Acquisition Software Ewernnf RPIP IDIP CR CònrroI: Remote control through serial port on GDP-32 24 for electrical resistance tomography (ERT) .

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Streaming RPIP! TDIP: Continuous acquisition of TDIP or RPIP data (time domain or Iesistivity phase IP) using a towed electrode array.

Borah ole TEN: Remote control through GDP-32-'24 serial port for efficient logging of borehole TEM and IVIMIR data. Compatible with Crone and Georgics 3-component probes

Errenrfed Broadband Time Series Dum Recording: Continuous recording of up to 5 standard analog channels sampling at 32 K samples/sec (bandwidth 8 KHz with 2x oversampling) with no loss of data. Developed for lecordjng broadband nlagnetotelluric uleasurenlents

Equm'-Interval Made TEM' (TEJIE): Uniform sampling and storage of TEM transients as time series Used for LOTEM data acquisition and any application that equines unifomily sampled TEM transients.

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ZT-30 TRANSMITTER Battery-Powered EM / Resistivity Transmitter




DESCRIPTION

The ZT-30 is a battery-powered transmitter capable of producing time-doinain O1` frequency-doniain waveforms into either resistive or inductive loads. As a TEM transmitter. the ZT-80 can deliver up to 80A into a l 00n1 loop with a turnoff time of less than 200 !us. Because the ZT-80 also perforins well while transmitting into resistive loads. some customers are using it as a low-power resistivity transmitter. When used for resistivity. it is necessary to 1no11itor the current since the transn_Litte1' does not have current regulation circuitry.

FEATURE S

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Bipolar clment output up to 80 A 50 O1` 100% duty cycle 1 microsecond Runoff into resistive load Lightweight. balieiy powered Less than 150 iiiicro secoiids groff into a 100-meter loop at 20 amperes

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SPECIFICATIONS FOR THE ZT-30 TEM TRANSMITTER

Mechanical Power Case size: 45 x 18 x 28 cm

(17.7 x 7.1 x 11.0 in) Weight: 8 kg (17.6 lb) (without batteries)

111te111a1 battery: 10.9 to 14\". Logic Power Main Power coimector: four-pi11 military twist-lock. 14 400 Vdc

Electrical

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Input volta.s:e: 14 to 136 Vdc (400 Vdc selectable) Peak output current: 80 A unregulated Transmit control by GDP receiver O1` XMT-series

Transmitter controller (DC _ f _ 8 2 Hz TD. D C _ f _ 512 Hz FD)

Isolated current monitor output Automatic over clurent shutdown (set for 83 A) IGBT power output current switch Power contactor to remove VQIIEIEQ from transmitter during fault conditions Lamps to indicate state of transinitteri power on. transniittina. fault. and polarity Fan-cooled heatsink

*Applications TEM t1'a11smitte1'. 136 Vdc max @ 30 amps Low cu1'1'e11t t1'a11smirte1' for TD 8: FD Resistivity/IP, 400 Vdc max @ 7 amps

Options ZPB-600 400 Vdc Power Booster

Controls 8; Displays Power O11 off Transnnt Reset Dainpine Select Meter Select LCD Displays :

Input voltage Internal battely voltage Oumut cull'ent Turnoff time Heat sink tenlpe1'anu'e

Fault Indicators / Over Under Voltage

Over C1111'eI1t

Over Temperanire

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Output Jacks Cù11'e11t ulollitor terminals. isolated output 50 MV/A O1` 1 A ranges Output cu1Te11t temlinals

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XMT-32S Transmitter Controller




DESCRIPTION

The XMT-32S Transmitter Controller produces timing signals for controlling the GGT. ZT and NT transmitters. Provision is made for synchronizing multiple controllers and GDP receivers. Frequency control can be accomplished either manually or by a time sequence program. which is loaded through the RS-:282c port. Time sequence status and frequency are displayed 011 an LCD OI] the front panel.

FEATIRES T

Time 01' frequency d0111ai11 c011t1'01

Frequency range: 1024 second period to 8192 Hz' C compatible with all GGT. ZT and NT-series t1'a11su1itte1's Automatic traiismittei' control via time table C alibrator output LCD frequency display

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SPECIFICATIONS FOR XMT-32S




General Functions

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Synchronous time-ba se with internal calibrator Time or Frequency domain capability. 50% or 100% Duty cycle Frequency range in Binaiy Steps :

1024 sec. to 8192 Hz Size: 28 x 2 1 X 18 cm(11 x 8 x 7 i n ) Weight: 6.4 be. (14 lb) Enclosure: Heavy duty. environmentally sealed aluminum ease Power: 12 V rechargeable battery more than 10 hours continuous operation Temperature range: - 40° to +60°C (- 40° to 140°F) Humidity range: 0 to 950 o non-condensing Time base: Oven-controlled crystal oscillator; aging rate 5 X 10-10 per 24 hours (Optional crystal: 1 X 10-11 per 24 hours)

Can be synchronized with GDP-series receivers for synchronous nieasureinents Designed to control GGT. ZT and NT-series transmitters in both time and frequency domain Continuous phase coherency between 1024-second period and 8192 Hz 20 niilliainp signal outputs for transmitter control Reset pulse output for GDP-series receiver Capable of controlling other nlanufaculrerls transinitters (Inquire for C onipatibilily)

Displays & Controls

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LCD frequency display Phase Battery meter Time Frequency domaill switch Phase Battery meter switch C alibrate output switch : Reset switch

/ 0.025 0. 25 / 2.5V PP

/ Frequency range stepping switch Auto Manila] switch for timetable operation Mode stepping switch C ircuit Breaker

Outputs Inputs &

/ 1*\»' Battety chafee input Tt'a11sulitTe1' c011t1'01 syuch1'o11izatio11 Input Output RS282c Input Output for time series Calibrate output

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TEM/3 Magnetic Antenna




DESCRIPTION

The TEM/'8 a11te1u1a is a single channel uiaguetic field auteima useful for transient e1ect1'o111a211etic (TEM). colltl'olled source audio-frequency uiagiietotelluiic (C SAMT). and other types of EM geophysical surveys I11easu1'iI1 .8 vertical O1` horizontal fields. Multiple ullits may be used simulta11eo11sly to measure multiple axes .

FEW To mis

. . The TEM/3 can be used inside or outside the transinilting loop for n'a11sie11t nieasureinents . Frequency calibrations are provided for both haiinonic and single frequency applications .

OPTION4L EQ( YPJIE \ T I r

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• A11te1u1a STAND/Z for vertical u1eas1u'e111e11ts . A11te1u1a STAND XZ for a co111biuatio11 of vertical and l1o1'izo11tal 111eas111'emeuts .

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SPECIFICATIONS FOR THE TEM/3 MAGNETIC ANTENNA

General Physical

Power: two 9V batteries -- Alkaline: 7 days at 12 hours per day - Litlliulu: >14 days at 12 hours per day

Length: 61 C111

Diameter: 11c111

Amplifier gain: 33 Weight: 4.5 kg

Number of turns: 4000 Core: ceramic felrite. 2.54 x 45.7 cm

Effective Area 2 10.000 1112

la/Iillilnum Detectable Signal: 0.007 ga111111a°Hz

Maximum signal without samratioll: 68.000 g111]111a°Hz

Delay constant: 15 microsecollds

Multiple unit crosstalk: 60db isolation >

Electrical response: dB/dt to above 8 KHz

Specgicarions subject to change without notice # 01.09

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