GESensing & Inspection Technologies

GE’s Thermometricstemperature sensorsolutions

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Global Excellence in Temperature Sensors

The Thermometrics temperature product line contributesmore than 70 years of technology experience in the designand manufacture of high quality sensors to the GE Sensing& Inspection Technologies portfolio of sensor-basedsolutions.

Thermometrics pioneered lead frame technology, unifyingthe probe terminal and thermistor lead into a singleconstructed metal substrate. This innovation was thebuilding block to today’s fully automated volumeproduction process, which ensures the highest degree ofquality and performance.

GE continues to invest in leading edge temperature sensorand sensor packaging technology for the Thermometricsproduct line, particularly in developing custom solutions forindustry and for specific customer application needs. Fromchips to value-added assemblies and for temperatureranges from -196ºC to 1150ºC, Thermometrics productsplay a vital role in measurement, control and protection ofindustrial- and consumer-based applications worldwide.

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Industrial• Circuit protection• Temperature measurement

and control• Liquid level detection• High voltage protection• Short circuit and other hazard

protection• Process control• Boilers and water heaters

Commercial• High voltage and short circuit

protection• HVAC• Energy management• Liquid level detection• Telecommunications equipment• Computers• Office machines

High-performance, competitively priced productsfor a wide range of applications

Aerospace• Anti-icing• Environmental control systems• Temperature scanning systems

Transportation• Engine management• Dashboard display sensors• Cabin comfort sensors—non-contact

infrared, solar and light• Circuit protection• Safety systems• Coolant/transmission

fluid pressure/temperature• Exhaust gas temperature• Air quality • Active/passive incar

Healthcare• Tympanic temperature• Heart/lung machines• Thermal dilution catheters (heart)• Urinary catheters• Oral and skin temperature• Sleep apnea• Esophageal catheters• Glucose monitoring• Body mapping• Oxygen tents• Clinical mattresses• Humidifiers• Anesthesia• Fluid heaters• Sterilizers• Culture ovens• Cryogenics

Consumer• Electronics• Level control• Appliances• Overload protection• Boilers and water heaters• Food and beverage

Calibration Services• Primary temperature standard• NIST calibration services

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Critical information forreal time decisions

From cabin comfort to test cell systemsmonitoring, our sensors play a role intemperature measurement forcommercial, civil and military aerospaceapplications—fixed-wing and rotary, andboth engine and airframe. Sensors monitor engine thrust, reliabilityand emissions in test cells, while alsomonitoring test cell throughput. In thecabin, our HVAC sensors provide climatecontrol for a comfortable environmentwhile a variety of other sensors monitortemperature in appliances like coffeemakers, microwaves and refrigerators.

For Flight On the Road

Today’s increasingly complex enginemanagement systems rely upon sensorsto monitor, measure and control vehicleperformance including fuel economy,safety, and control of exhaust emissions. Our comprehensive product rangeincludes temperature sensors for use incoolant or transmission fluid; hightemperature sensors to measure exhaustgas temperature; IR, gas and humiditysensors for cabin comfort; and solar andlight sensors.Our single-piece leadframe constructionreduces the number of interconnectionsand ensures more reliable performance.

Electronic circuitry and sensitive systemcomponents demand thermistorprotection and control. Our custom-designcapability and problem solving expertisemean that we can offer innovativesolutions in circuit protection; andtemperature measurement and control.Our sensors excel at applications such asprocess control energy management,HVAC systems, power supplies,transformers, motor soft start and generaltime delay units. They are used to controlcritical process temperature.Our simple-to-integrate sensors aredesigned to meet the rapidly changingdemands of deregulated and globalmarkets for high-technology sensors.

At the Office

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Today’s consumers expect their everydayappliances to deliver reliable and efficientperformance. Electronic sensors offerimproved accuracy over electro-mechanical solutions and are designed toperform over a very wide range oftemperatures and specifications. Oursensors play a vital part in measuring andcontrolling the temperature of water,steam, air and food. They are also usedfor flow measurement, level control, andoverload protection and in combinationwith other sensors for multiple functions.Temperature sensors can be found allaround the home in boilers and waterheaters, washing machines, dishwashers,stoves, microwave ovens, irons, toasters,refrigerators and deep freezers.

Around the Home For Healthcare

We have developed state-of-the-art,high-performance sensors known for theiraccuracy, reliability and small size. Usedextensively for heart catheters, esophagealstethoscopes, fever thermometers, skinsensors, blood analyzers, incubators,respiration monitors and hypodermicneedle sensors, they help meet manytemperature-related requirements.Innovative work on small precisionsensors continues for cancer research.Thermistors measure the temperature ofcells and with precise monitoring, doctorscan use heat to destroy diseased cells intumors.

Our custom-design capability andproblem solving expertise mean that wecan provide innovative solutions in circuitprotection, temperature measurementand control, liquid level detection and gasflow measurement. We have one of themost extensive product ranges ofindustrial temperature sensors in theworld.With new markets emerging worldwide, ourglobal sensor manufacturing centers meetlocal content demands and allow us toexceed specific customer requirements.Along with the best manufacturing and testequipment, our strict manufacturingprocesses and quality procedures ensurethe highest standards for your applications.

In the Plant

NTC or PTC?Thermistors are thermally sensitive resistors with either a negative resistance/temperature coefficient(NTC) or positive resistance/temperature (PTC) coefficient. GE offers a wide range of both types ofthermistors from component level through complete assemblies. Both types of thermistors are solidstate ceramic components, known for their exceptional quality and long life.

GE is a world leader in beta curve selections and high voltage circuit applications.

NTC ThermistorsNTC thermistors are manufactured from the oxides of transitionmetals and can operate over the range of -196°C to 1000°C.Choose an NTC thermistor when a continuous change ofresistance with temperature is required.

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What are the key characteristics of NTCs?• Defined sensitivity to temperature• Sensitivity to electrical power input• Sensitivity to changes in thermal conductivity

What are the main applications for NTC thermistors?• Temperature measurement and control• Temperature compensation• Surge suppression• Power measurement• Fluid level-flow detection• Customized solutions

PTC ThermistorsPTC thermistors are temperature-dependent resistorsmanufactured from doped barium titanate and are available withtransition temperatures from 60°C to 200°C. Choose a PTCthermistor for self reset-capable fuse and heater applications.

What are the key characteristics of PTCs?• Large change in resistance at a preset

temperature• Ability to self-regulate temperature• Current-limiting capability• Sensitivity to changes in thermal conductivityw• Standard and custom design geometries

What are the main applications for PTC thermistors?• Over-temperature protection• Over-current protection• Surge generation• Current stabilization• Fluid level-flow detection• Self regulating heaters

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NTC Thermistors

Epoxy and silicone-coated chip thermistors TK95 DC95EC95 MC65MF65 SC30SC50 ND NK MSC100 NDKNDP NDMNDL TC

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• Interchangebility optionsdown to ±0.1°C accuracy 0to 100°C range

• Head size 0.8 to 2.4 mm

• Automated assembly

Automotive enginemanagement, airconditioning, medical,clinical thermometers,blood analysis

Glass encapsulated DO-35 package DK GE TH

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• Tmax 300°C

• Hermatic seal

• High voltage insulation

• Bandoliered for auto PCBinsertion

Battery packs,toasters, hair dryers,automotivetransmissions, smokedetectors,environmental control

Discs with radial leads RL10 RL14RL20 RL30RL35/40/45

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• Operation at high currents

• Wide range of resistancevs temperature curves

• Custom design

Automotive enginetemperature,temperaturecompensation

Discs for inrush current limiting CL TP T5D

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• Continuous current ratings1.1 to 16 A

• Cold resistances 0.7 to 120 W

• Some UL-approvedversions

Soft start for switchmode power supplies,filament lamp circuits

Suface mount chips NHQ NHQM NHQMM TM

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• 0402,0603, 0805, 1206sizes

• Ni barrier terminations

• Resistance tolerancesdown to ±1%

Rechargeable batterypacks, LCDtemperaturecompensation

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NTC Thermistors

Glass-encapsulated suface mount chips DKM MELF

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• Tmax 250°C

• Suitable for harshenvironments andsoldering profiles

SMD circuitry

Bare bead thermistor BB05/07/11

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• Fast time constant, 0.11secs

• Extremely small size 0.13 to0.25 mm

• High stability

RF & microwave powermeasurements

Glass-coated beads B05/07/10/14B35/43

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• Hermetically sealed

• Small size, 0.13 mm to 1.1mm

• Tmax 300°C

Gas chromatography,thermal conductivityanalysis, gas flowmeasurement, liquidlevel sensing

Glass-encapsulated beads, rods, probes BR11/14/16/23BR32/42/55P20/25/30P60/65/85/100R60/65/85/100SP60/65/85/100FP07/10/14

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• Robust

• Hermetically sealed

• Tmax 300°C

• Interchangeable matchedpairs available

• Some models withintermittent operation to600°C

Liquid level sensing,gas flowmeasurement, fluidtemperature, pulsesuppression

Glass encapsulated chips with leads GC32 GC14/16 GC11

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• Long-term stability

• Chip technology

• Size

• Response

• Accuracy

Medical cathetersmilitary/aerospace,airflow, blood analysis

Leadless chip thermistors NDU HM

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• Silver or gold electrodessuitable for wire bonding

• Small size

Hybrid circuits,glucose monitors,digital thermometers

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NTC Thermistors

Cryogenic thermistors RL1004RL060628 CTP60 CTP65 CTP85 CTP100 � � �

• Suitable for use at very lowtemperatures— down to -196°C

Cryogenictemperaturemeasurement

Unleaded discs KU UD20 0706 1403 1703 1803 2006 3006

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• Wide range of resistancevs temperature curves

• Custom design

Automotive enginetemperature sensing

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PTC Thermistors

Motor protection YA YB YC YD YF YG PTD

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• Small insulated head

• Long insulated flexible wire

• Switch temperatures 30 to180°C

• DIN compliance

• MOD approval

Protection ofindustrial motors andtransformers,submarine motors

Surface sensors YK YR PTA PTE

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• Screw-in or bolt-onconfigurations

• Flexible or solid wire

• Switch temperature 30 to140°C

Semi-conductor heatsinks, enclosurepanels, powersupplies

Wired devices - general purpose YM120 YP YS4019 YS4020 PTF PTO ���

• Ratings up to 1000 Vrms

• Switch currents up to 2A

Transformerprotection, electroniclighting,instrument/DMMprotection

Surface mount devices YSM YSM 4021 PTSM

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• High power SMD PTCs

• Compatible with SMDassembly

• Ratings up to 1000 Vrms

• Switch currents up to 2A

• Conformance to ITU-TK20/21

Telecom lineprotection, DMMinstrumentprotection, electroniclighting control

Circuit protection YS

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• Custom designed forelectronic circuitapplications

• Excellent thermal shockand power handlingperformance

• Conformance to ITU-TK20/21

Telecom primary andsecondary protection

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PTC Thermistors

Self-regulating heaters YH PTH

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• Temperature regulation onrange of supply voltage

• Voltage ratings 12 to 240 V

• Reference temperatures 40to 180°C

• Custom shapes

Medical equipment,in-line diesel fuelheaters, LCD heaters,stabilization ofelectroniccomponents, waxmotors, saw devices,air fresheners outsidecamera lenses

Liquid level sensing YL JYA

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• Water resistant housing

• High sensitivity

• Axial and radial formats

Tea urns, fuel storagesystems, industrialplants, laboratorywater stills, vendingmachines

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Probes and Assemblies

General purpose sensors GT JA JB JE JF JP M seriesT series

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• Tmax 225°C

• Range of fittings

Domestic ovens,combinationmicrowave ovens,industrial processcontrol

Fast response surface sensors JC JW JD JS2945 Substrate

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• Response time down to250 ms

• Voltage insulation 1500 V

• Environmental protection

• Pipe ranges 13 mm to 22 mm

Gas boiler control,domestic watersystems, airconditioners, showers,vending machines,radiator inlet-outlet,automotivetemperature sensing,aerospacede-icing

Refrigeration, low temperature JL JM JIEVAP A1424 EVAP for HVACA1447-A1450 �

• Low temperature

• Resistant to moistureingress

Low temperatureappliances, airconditioningevaporators, industrialand domesticrefrigeration,automotive

Eyelet JR M2000

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• Ease of installation

• M3, M4, M5 eyelet sizes

Semiconductorheatsinks, enclosurepanels, surfacetemperaturemeasurement, PC fancontrol, powersupplies, airconditioning ducts

Medical products Customassemblies

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• Clinically approvedmaterials

Thermometer probes,catheters, skinsensors, fluid flow

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Probes and Assemblies

Medical products AB6 MA100 MA400

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• Clinically approvedmaterials

• Custom designs

• Size

• Accuracy

Medical catheters(thermodilution,esophageal, foley,ablation), vital signmonitors

Automotive subassemblies Lead frame

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• Designed for automatedassembly

• Reduced overall sensorcost

• Enhanced reliability

Automotive enginetemperature

Automotive assemblies Brass assemblies,etc.

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• Custom designed

• In-house overmoldingcapability

• Large variety of connectoroptions

Automotive coolanttemperature indication

Composite NTC/PTC KY

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• Constant resistance overnormal operatingtemperature range(accomplished by usingNTC/PTC pairedthermistors)

Automotive coolantdashboard sensor

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Additional Technologies and Accessories

IR thermopile sensors ZTP

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• Non-contact temperaturesensing

• Fast response

• Temperature compensated

• Sensing elements/modules

• Single and dual zoneavailable

Microwave ovens,automotive airconditioning, earthermometers

Cooktop surfacecontrol

High temperature sensors JTC JTR PT100 PT200 PT1000

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• Operation up to 1150°C

• Flexible sensor

• Industry standardconnection

• Customized OEM solutions

• RTD, thermocouples andNTC technologies

Industrial and processcontrol, food andbeverage processing,automotive

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About usGE has united the technological innovation andexperience of industry leaders in the design andmanufacture of advanced sensing andmeasurement solutions into one world-classbusiness—GE Sensing & Inspection Technologies.

GE’s sensing products measure temperature,pressure, liquid level, moisture and humidity, gasconcentration, and flow rate for applicationsranging from environmental, medical, andpharmaceutical to automotive, aerospace,chemical, and petrochemical.

From high-quality hand-held and portable fieldcalibrators to stand-alone measurementinstruments and systems, GE provides end-to-endsolutions that can help you monitor, protect, andcontrol your critical processes and applications.

Temperature,humidity,

pressure, CO²,light

Chemical analysis

Pressure

Flow

Temperature

Gas

Moisture

Humidity

Level

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2008 GE. All rights reserved.BR-162A

www.gesensinginspection.com