Type J Thermocouples | McMaster-Carr

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Thermocouple Type

Thermocouple Probe Type

Mount Type

System of Measurement

Probe Length

Thermocouple Sensor Connection

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

For Use With

Electrical Connection

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

Probe Diameter

Maximum Temperature

1,000° F to 1,999.9° F

Cable Length

Sensor Type

Component

Probe Material

Probe Connection Pipe Size

Cable Material

Material

Maximum Cable Temperature

Accuracy @ Temperature

±0.75% Above 533° F

±2% Above 300° F

±3% Below 800° F

±4° F Between 32° F to 200° F

±4° F Between 32° F to 220° F

±4° F Between 32° F to 300° F

±4° F Between 32° F to 400° F

±4° F Between 32° F to 500° F

±4° F Between 32° F to 533° F

±5% Between 241° F to 440° F

±6° F Below 241° F

±6° F Between 212° F to 300° F

±10° F Below 212° F

Not Rated Below 32° F

American Wire Gauge (AWG)

Response Time

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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377 Products

Thermocouples

Thermocouple Probes for Liquids and Gases

Measure the temperature of liquids and gases without corroding

86 products

Bayonet-Mount Thermocouple Probes for Surfaces

Quick to install and remove, the bayonet fitting secures the probe against heavy vibrations

5 products

Threaded Thermocouple Probes for Liquids and Gases

The male NPT fitting threads into thermowells, pipes, and tanks

25 products

Bolt-On Thermocouple Probes for Surfaces

Bolt onto motors, machines, and other equipment so they won’t shake loose

7 products

Thermocouple Probes for Air and Surfaces

Press the probe to a surface, or leave untouched to measure air temperature

9 products

Thermocouple Probes with Armored Cable for Liquids and Gases

The armored stainless steel cable protects the wiring from corrosion and wear

20 products

Hazardous Location Threaded Thermocouple Probes for Liquids and Gases

The FM-approved head is safe for use near flammable gases or combustible dust

6 products

Thermocouple Probes with Armored Cable for Air and Surfaces

Measure air and surface temperatures in corrosive environments

9 products

Adhesive-Back Thermocouple Probes for Surfaces

Peel off the adhesive backing and press onto a surface to measure its temperature

2 products

Threaded Thermocouple Probes for Surfaces

Thread directly into a tapped hole for continuous monitoring

7 products

Threaded Thermocouple Probe Transmitters for Liquids and Gases

Send temperature readings to remote devices without using a separate transmitter

20 products

Noninsulated Thermocouple Probes for Liquids and Gases

An economical alternative to insulated thermocouple probes

10 products

High-Temperature Thermocouple Probes for Air and Surfaces

Thick, insulated wire withstands forging, die casting, and heat treating

6 products

Thermocouple Probes for Pipe, Tube, and Hose

Wrap around pipe, hose, or other tubular shapes to measure surface temperature

5 products

Magnetic Thermocouple Probes for Surfaces

Hold probes firmly in place on motors, bearings, and other magnetic surfaces

4 products

Cut-to-Length Thermocouple Probes for Liquids and Gases

Trim these probes to the exact length you need

8 products

Reduced-Tip Thermocouple Probes for Liquids and Gases

The thin tip offers fast response times while the rest of the probe is thick for strength

6 products

Thermocouple Probes with Armored Cable for Solids

Measure the internal temperature of soft solids in corrosive environments

2 products

Hazardous Location Threaded Thermocouple Probes with Thermowell for Liquids and Gases

FM-approved for use near flammable materials, with a thermowell to protect the probe

3 products

Dual-Output Thermocouple Probes for Liquids and Gases

Send temperature readings to two separate devices

6 products

Threaded Thermocouple Probe Transmitters with Thermowell for Liquids and Gases

The thermowell shields the probe, and the transmitter sends readings to remote devices

5 products

Thermocouple Probes for Solids

Pierce plastics, rubber, and other soft solids to measure internal temperature

2 products

Hazardous Location Threaded Thermocouple Probe Transmitters for Liquids and Gases

FM-approved to measure and transmit temperatures in hazardous areas

5 products

Threaded Thermocouple Probes with Thermowell for Liquids and Gases

The stainless steel thermowell shields against corrosion, shock, and impact

3 products

Sanitary Thermocouple Probes for Liquids and Gases

Measure temperature in dairy and food-processing applications

3 products

Handheld Magnetic Thermocouple Probes for Surfaces

Stick onto magnetic surfaces to measure temperatures around your facility

1 product

Clip-On Thermocouple Probes for Air

Measure temperature on vents, circuit boards, and other irregular surfaces

2 products

Other Products

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

53 products

Thermometers

Monitor temperature in tanks, pipes, control panels, and other equipment

19 products

Thermocouple Wire

Connect thermocouples to switches, controllers, recorders, and thermometers

15 products

Thermocouple Cords

Extend the reach of thermocouple probes

16 products

Thermocouple Connector Adapters

Convert round-pin male connectors to flat-pin male connectors

1 product

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

3 products

Noncontact Temperature Sensors

Monitor the temperature of hazardous, sensitive, and hard-to-reach materials without touching them

2 products