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TEST AND MEASUREMENTCONNECTOR GUIDE
T729 Lemo T&M market segment brochure 25/4/07 9:36 am Page 2
Harsh, demanding environmentsrequire a high quality connectorsystem. Many years of experiencehave gone into producing LEMOconnectors suitable for today’schallenging applications.
LEMO connectors have been usedwithin the Test and Measurementmarket for many years and havefound use in many differentapplications. Today LEMOconnectors are used in such diversefields as meteorological dataacquisition in the North Sea,telemetry and data logging withinFormula 1 and within nuclear physics research, as well as being astandard within the NDT sector.
Each application requires a verydifferent connector solution. Whether it is high vibration onFormula 1 cars, excellentenvironmental properties required inthe North Sea or consistent electricalproperties within the researchenvironment LEMO are able to meetthe customer specifications.
Detailed below are some of theapplications which employ LEMO connectors.
CALIBRATIONInspectionCertification
DATA LOGGINGTelementeryMagneticHumidityTransducersInterruptionOilVoltageAcquisitionSignal
ENVIRONMENTALMagnetostrictiveTemperatureCapacitanceSoundPressureWindStructuralMovementGasNuclear
GEOPHYSICALSeismographMagnetometersLaser diagnosticScientificElectromagneticSurveyingBoreholeLoggersEchoGroundTime
MATERIAL TESTINGMagnetoCalorimetersTemperatureElectroPolymerResistiveTextureThicknessRheological
NDTMagnetic particleDie PenetrantUltrasonicEddy currentVisual/opticalLeak acousticRadiographicInfrared
SENSORSAcceleration speedTorqueStrainStress pressureHumidityTemperatureOxygenCarbon dioxideGasNoiseVibration
TEST & MEASUREMENT
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LABORATORYTEST EQUIPMENT
ColorimetersPHConductivityTemperatureDiagnosticsScientific
MECHANICALAND ELECTRICAL
Electrical metersTorqueTransducersHydraulicMetrologyCalibrationEMCEnginePulse
PROCESSMEASUREMENT
TemperatureFlowEncodersEnergyTriaxialFatigueFrequencyPressure
OTHERPharmaceuticalSpectrometersFoodLightWeightPressureForce
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LEMO RUGGEDISED PUSH-PULL CONNECTORS
PUSH – PULL SELF LATCHING SYSTEM
MODULAR CONSTRUCTION
MODULAR CONSTRUCTION -Allows the user to choose the rightconfiguration to suit the application
WIDE RANGE OF CONTACTTYPES - Low voltage, coaxial,thermocouple, fibre optic, highvoltage & hybrids
Where a secure, quality connectionis required, LEMO are able to offer a solution to suit nearly allapplications.
EXTENSIVE PRODUCT RANGE -Connectors styles available to suitalmost any application
SECURE CONNECTION - Secure mechanism providessecurity against vibration, shockor cable pull
SPACE SAVINGS - Spacing between sockets and reduced PCB lengths allowconsiderable space savings overtraditional MIL SPEC connectors
FULL EMC PROTECTION -Full metal shell and earthing crownprovide for 360º shielding
HIGH RELIABILITY - Latchingmechanism provides maximumretention force when mated toprevent accidental disconnect andcontact design ensures minimaleffect on the contact resistancedue to wear.
The LEMO self latching system allows the connector to be matedby simply pushing the plug axially into socket.
Once firmly latched, connection cannot be broken by pulling on thecable or any other component part other than the outerrelease sleeve.
When required, the connector is disengaged by a single axial pullon the outer release sleeve. This first disengages the latches andthen withdraws the plug from the socket.
The latching system on thesesharsh environment connectors is quickand easy to mate, providinga safe and secure connection.
The quick release mechanism is standard.
A snatch release option alsoavailable where required.
The modular construction usesCOTS components making it easyto select just the right configurationsfor the ideal connector for eachspecific application.A very wide range of housings andcontact types (including coaxial,triaxial, multipole, high voltage andfibre optics as well as hybrids of allthese) provides an enormous range ofpotential options at competitive prices.
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B & K SERIESUsed extensively as a connectionsystem within test andmeasurement applications, the Band K series offer several keyfeatures essential when quality ofconnection is important for theeffective operation of equipment.
The rugged design of the seriesallows the connectors to be used ina broad range of applications. TheB series is dustproof and is suitablefor harsh indoor environments whilstthe K series provides a watertightconnection to IP68.
Both the B and K series connectorsoffer space saving capabilities overtraditional MIL SPEC bayonetlocking connectors whilst providinga secure latching mechanism.Features of the ranges include;
Push pull latching self latchingsystem for safe connectionMultipole types with 2 to 64 contacts.Coaxial, HV, Fibre Optic,Thermocouple and Hybridoptions also available
Crimp, solder or PCB contacts,straight and elbowKeyed to ease blind matingMulti Key options to avoid crossmating of similar connectors360º EMC shieldingHigh pin density
Example:FGG 1B 307 C L A D 52is a 7-way plug connectorcommonly used for data loggingapplications.
S & E SERIESThe original LEMO connector style,the S and E series incorporate ahermaphroditic (half moon) insert toprovide the method of keyingbetween plug and socket. The rugged design allows theconnectors series to be consideredfor a wide range of test andmeasurement applications. The S series is dustproof and canbe used for indoor applicationswhilst the E series is sealed to IP68
Both the S and E series have manyfeatures which enable them to beconsidered for all any application orproject. Features include;
Push pull latching self latchingsystem for safe connectionMultipole types up to106 contactsUnipole types can transmitcurrent up to 230ACoaxial, High Voltage,Thermocouple and Hybridoptions also available
360º EMC shieldingSolder or PCB contacts, straight and elbowWide range of models to suitmost applications
Example:FFA 1S 275 C T A C 32Zis a 75Ω coax plug connectorregularly employed in NDT sector.
Contact types include:
• Unipole, coaxial and triaxial• Multipole to 64 way• High voltage• Fibre optics in both singlemode and multimode• Hybrids of all the above
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F SERIESOriginally designed for the highlydemanding environment of themotorsport industry, F seriesconnectors have been increasinglyused within test and measurementapplications due to the weight andspace savings that the series offers.These features combined withexcellent vibration and sealingcapabilities make the connectorideal within harsh environments.
F series connectors have beendesigned to meet demandingrequirements in terms of dimensions,weight and watertightness. Theseries now includes for 7 nominalsizes and provides customers withfeatures including;
Push pull latching self latchingsystem for safe connectionSealed to IP67 for environmentalprotection when matedCompact scoop proof designHigh shock and vibrationresistance
Crimp or solder contact, straightand elbowMultipole types with 2 to 66contacts, multi fibre optic ormixed fibre optic + LVKeyed to ease blind matingColour coded options forsystem security
Example:FGS FF 304 Y L Mis a miniature (6mm diameter) plugconnector directly mounted intospeed sensors on F1 cars.
FIBRE OPTICThe growth of fibre optics within allindustries has lead to a need forreliable, rugged connection systems.The LEMO range of fibre opticconnectors is designed around theB and K series connectors however,fibre options are also available withinthe F series connector range. Thisallows standard components to beused in a majority of applications.
The LEMO fibre optic connectorrange is suitable for single modeand multi mode fibres. The fibreferrules used are capable ofhandling single mode 9/125 fibre upto 1500µm polymer fibre. The use ofceramic ferrules and ceramicalignment sleeves ensures thatalignment of the fibre is alwaysaccurate, essential with smalldiameter single mode fibres.
The use of rugged outer shellscombined with accurate alignmentmeans that typical insertion lossesare 0.10dB and 0.25 dB for singlemode and multi mode respectively.
New developments for LEMO fibreoptic ferrules include Angle PolishedContacts. Angle Polished Contactsnow provide excellent insertion lossfigures combined with improvedreturn loss. Where return loss caneffect or damage the source device,APC technology will eliminate thatrisk by reducing the amount ofpotential light reflected back up the fibre.
Push pull latching self latchingsystem for safe connectionSealed to IP67 for environmentalprotection when matedCompact scoop proof designHigh shock and vibration resistanceCrimp or solder contact, straightand elbowMultipole types with 2 to 66contacts, multi fibre optic ormixed fibre optic + LVKeyed to ease blind matingColour coded options forsystem security
Example:FGG 4K 03C C L Z T 66Z4 fibre optic plug connector used insecure (EMC) transmission of highvolume data for analysis.
Contact types include:
• Multipole to 66 way• Fibre optics in both singlemode and multimode• Hybrid electro-optic
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Example:FGG IR 803 ALC81928 way RG174 coax plug with3 low voltage contacts in 37mm x12.5mm footprint housing.
R SERIES
The rectangular LEMO R seriesplastic connector has beendeveloped with the test andmeasurement market in mind. Themain advantage that the R serieshas over circular connectors is thelow profile design. The compact,slim design allows the user tofurther reduce panel or equipmentsizes to a minimum level.
The self latching mechanism, whilstbeing quick to use, provides asecure connection against
accidental cable pull. Three sizes ofconnector are available, all with lowvoltage, coaxial contacts andhybrids of the two styles available.
Push pull latching self latchingsystem for safe connection
Crimp, solder or PCB contact,straight and elbow
Multipole coax options
High contact density
Slim body width, low weight
High packing density
Rugged construction
NIM-CAMAC COAXIAL00 SERIESThe 00 series is a range of 50Ωcoaxial connectors. The range issuitable for a wide range ofapplications within test andmeasurement, particularly controlsystems and nuclear physics. The metal shell provides forexcellent EMC protection, althougha PEEK bodied version is alsoavailable where insulating propertiesare of prime importance.
Push pull latching self latchingsystem for safe connectionCrimp or solder contact, straight and elbowSmall size, low weightHigh packing densityRugged construction
Example:FFA 00 250 C T A C 27is a small 50Ω coaxial plugconnector regularly used in NDTand nuclear research applications.
T729 Lemo T&M market segment brochure 25/4/07 9:36 am Page 8
CABLE ASSEMBLYLEMO UK has its own connectortermination facilities for both electrical andfibre optic assemblies with fully trainedtechnicians and we pride ourselves on thequality of terminations provided.
The best connectors and cables are oflittle use if failures occur due to dry solderjoints, poor crimping, or insufficient fixingof cable jacketing.
Fibre optic terminations require properselection and fixing of ferrules on thefibre, followed by the correct polishingprocess, whether by hand or machinepolished, in order to ensure optimumoptical performance.
At LEMO every cable assembly is fullyinspected to ensure it meets the required standard.
Each electrical connector is fully tested forpin-pin continuity, as well having a highvoltage test to ensure that there are nopotential breakdown problems.
All fibre optic terminations are subjected toinsertion loss and back reflection tests asrequired to ensure the highest quality ofsignal transmission, with test resultsreordered for every cable.
TECHNICAL SUPPORTOne of the significant advantages of LEMOconnectors is the modular constructioncombined with the full extent of the rangeitself. This means that there is nearly alwaysa solution to suit a specific application fromthe wide choice.
Where an immediate solution cannot beidentified, the requirements can be achievedthrough simple modifications, sometimesaffecting only a single component.
Our team of Field Sales engineers arebased throughout the UK and areresponsible for providing product andtechnical information in order to enable thecustomer to select the connection solutionbest suited to the application available
Once a suitable connector has beenselected, sample can be supplied for use in prototypes allowing the customerthe ability to confirm the selection ofcorrect connector.
If specialised connectors are required thenthe enquiry is incorporated into the LEMOproject management system.
The development request is handled eitherby the LEMO UK design team or withinLEMO group projects if it has implicationson the existing range.
All special connector and cable assemblyorder items are fully prepared on our CAD system and the resulting drawing is agreed with the customer prior to anywork commencing, so that we ensure that the customer is getting exactly whatthey require.
AUSTRIALEMO Elektronik GesmbHTel: (+43 1) 914 23 [email protected]
DENMARKLEMO Denmark A/STel: (+45) 45 20 44 [email protected]
FINLANDLEMO Finland OYTel: (+358 9) 849 22 40Email: [email protected]
FRANCELEMO France SàrlTel: (+33 1) 45 17 27 [email protected]
GERMANYLEMO Elektronik GmbHTel: (+49 89) 42 77 [email protected]
HUNGARYREDEL Elektronika KftTel: (+36 1) 284 09 [email protected]
ITALYLEMO ltalia sriTel: (+39 02) 66 71 10 32Tel: (+39 02) 66 71 10 [email protected]
JAPANLEMO Japan LtdTel: (+81 3) 38 11 21 [email protected]
NORWAYLEMO Norway A/STel: (+47) 22 91 70 40
SPAIN/PORTUGALIBERLEMO S.A.Tel: (+34 93) 860 44 [email protected]
Madrid OfficeTel: (+34 91) 469 99 [email protected]
SWEDENLEMO Sweden ABTel: (+46 8) 635 60 60
SWITZERLANDLEMO VERKAUF AGTel: (+41 41) 790 49 [email protected]
USALEMO USA Inc. Tel: (+1) 707 [email protected]
LEMO HeadquartersSWITZERLANDLEMO SATel: (+41 21) 695 16 [email protected]
LEMO UK LtdUnit 15 & 16, Hazelwood Trading Estate,Worthing, West Sussex, BN14 8NP.Tel: (+44 1903) 23 45 43Fax: (+44 1903) 20 62 [email protected]
www.lemo.co.uk
T729 Lemo T&M market segment brochure 25/4/07 9:36 am Page 1
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