Type K Thermocouples | McMaster-Carr

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Thermocouple Type

Thermocouple Probe Type

Electrical Connection

3.5 mm Audio

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

Terminal

Wire Leads

Thermocouple Sensor Connection

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

Terminal

Wire Leads

System of Measurement

Probe Length

Maximum Temperature

1,000° F to 1,999.9° F

2,000° F to 2,999.9° F

Probe Diameter

For Use With

Mount Type

Sensor Type

Cable Length

Component

Cable Material

Maximum Cable Temperature

Probe Material

Color

American Wire Gauge (AWG)

Material

Insulation

REACH

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

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

RoHS

Compliant

Compliant with Exemptions

Not Compliant

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405 Products

Thermocouples

Thermocouple Probes for Liquids and Gases

Measure the temperature of liquids and gases without corroding

92 products

Thermocouple Probes for Air and Surfaces

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

8 products

Bolt-On Thermocouple Probes for Surfaces

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

7 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

26 products

High-Temperature Thermocouple Probes for Air and Surfaces

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

10 products

Adhesive-Back Thermocouple Probes for Surfaces

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

2 products

Thermocouple Probes with Armored Cable for Air and Surfaces

Measure air and surface temperatures in corrosive environments

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 Solids

Measure the internal temperature of soft solids in corrosive environments

4 products

Magnetic Thermocouple Probes for Surfaces

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

4 products

Thermocouple Probes for Pipe, Tube, and Hose

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

5 products

Threaded Thermocouple Probes for Surfaces

Thread directly into a tapped hole for continuous monitoring

7 products

Handheld Thermocouple Probes for Surfaces

Plug into a handheld thermometer to check surface temperature on the go

3 products

Noninsulated Thermocouple Probes for Liquids and Gases

An economical alternative to insulated thermocouple probes

10 products

Thermocouple Probes for Solids

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

3 products

Cut-to-Length Thermocouple Probes for Liquids and Gases

Trim these probes to the exact length you need

10 products

Handheld Thermocouple Probes for Air

Plug into a handheld thermometer to check air temperature on the go

2 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

Threaded Thermocouple Probe Transmitters for Liquids and Gases

Send temperature readings to remote devices without using a separate transmitter

10 products

Dual-Output Thermocouple Probes for Liquids and Gases

Send temperature readings to two separate devices

6 products

Handheld Magnetic Thermocouple Probes for Surfaces

Stick onto magnetic surfaces to measure temperatures around your facility

1 product

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

Threaded Thermocouple Probes with Thermowell for Liquids and Gases

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

3 products

Clip-On Thermocouple Probes for Air

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

2 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

Hazardous Location Threaded Thermocouple Probe Transmitters for Liquids and Gases

FM-approved to measure and transmit temperatures in hazardous areas

5 products

Sanitary Thermocouple Probes for Liquids and Gases

Measure temperature in dairy and food-processing applications

3 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

32 products

Thermocouple Wire

Connect thermocouples to switches, controllers, recorders, and thermometers

17 products

Thermocouple Connector Adapters

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

1 product

Thermocouple Cords

Extend the reach of thermocouple probes

16 products

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

4 products

Noncontact Temperature Sensors

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

2 products