Thermocouples

A Thermocouple is a device which measures temperature. It is made up of two wires of different metals that, when joined together, create an electrical junction. When the temperature changes at this junction it creates a voltage which can be interpreted to read the temperature. This is also known as the Seebeck effect. You can read more about these tools in our bespoke Thermocouples Guide

Types of thermocouples

There are various types of thermocouples, each with different characteristics, such as temperature range and their robustness. Each thermocouple is defined by a letter such as “K”. Common types include J, K, L and T. The letters refer to the type of materials used and therefore the temperature they are usable at. For example, type J is iron and copper-nickel and is useable from around 0°C to 816°C, depending on other characteristics. Some thermocouples come with an additional sheath which provides protection to prolong its life.

Thermocouples are ideal tools for temperature measurement as they are robust yet affordable solutions.

What are Thermocouples used for?

  • Thermostats
  • Hospital thermometers
  • Vehicle diagnostics
  • Boiler/heating sensors
  • Oven safety features
  • Food thermometers
  • Industrial probes/sensor

...
Read more Read less

Filters

Viewing 1 - 20 of 729 products
Results per page
Description Price Thermocouple Type Probe Diameter Probe Length Maximum Temperature Sensed Probe Material Minimum Temperature Sensed Termination Type Cable Length Standards Met Response Time
RS Stock No. 363-0250
BrandRS PRO
PHP607.08
Each
units
K 1/0.2mm - +250°C - -75°C Miniature Plug 1m IEC -
RS Stock No. 397-1264
BrandRS PRO
PHP1,373.92
Each
units
K 3mm 150mm +1100°C Stainless Steel - Cable 1m IEC -
RS Stock No. 621-2170
BrandRS PRO
PHP1,017.60
Each
units
K 0.3mm - +400°C - - Cable 2m RoHS Compliant 0.7 s
RS Stock No. 236-4255
BrandRS PRO
PHP2,013.76
Each
units
K 6mm - +250°C Stainless Steel - Miniature Plug 1m IEC -
RS Stock No. 397-1236
BrandRS PRO
PHP1,061.94
Each
units
K 1.5mm 150mm +1100°C Stainless Steel - Cable 1m IEC -
RS Stock No. 762-1128
BrandRS PRO
PHP1,214.56
Each
units
K 4.5mm 150mm +350°C Stainless Steel - Cable 2m IEC -
RS Stock No. 409-4920
BrandRS PRO
PHP795.48
Each
units
K 1.2mm - +450°C Nickel Aluminium, Nickel Chrome - Miniature Plug 1m IEC 0.1 s
RS Stock No. 621-2316
BrandRS PRO
PHP1,644.49
Each
units
K 30 → 40mm - +1100°C 316 Stainless Steel - Cable 2m RoHS Compliant 0.7 s
RS Stock No. 219-4545
BrandRS PRO
PHP1,164.01
Each
units
K - - +100°C - - Miniature Plug 2m IEC -
RS Stock No. 621-2158
BrandRS PRO
PHP232.446
Each (In a Pack of 5)
units
K 2mm - +250°C Teflon PTFE - Cable 1m RoHS Compliant 0.7 s
RS Stock No. 397-1488
BrandRS PRO
PHP2,058.65
Each
units
K 3mm 150mm +1100°C Stainless Steel - Miniature Plug - IEC -
RS Stock No. 219-4393
BrandRS PRO
PHP1,656.22
Each
units
K 3mm 1m +1100°C 316 Stainless Steel - Cable 100mm IEC -
RS Stock No. 455-4292
BrandRS PRO
PHP1,210.92
Each
units
J 3mm 150mm +760°C - - Cable 1m IEC -
RS Stock No. 847-1132
BrandRS PRO
PHP897.88
Each
units
K 1.5mm 150mm +1100°C Stainless Steel - Cable 100mm ANSI -
RS Stock No. 621-2322
BrandRS PRO
PHP2,023.32
Each
units
K 40 → 50mm - +1100°C 316 Stainless Steel - Cable 2m RoHS Compliant 0.7 s
RS Stock No. 621-2221
BrandRS PRO
PHP1,642.88
Each
units
K 6mm 175mm +1100°C Stainless Steel - Cable 2m RoHS Compliant 0.7 s
RS Stock No. 896-8409
BrandRS PRO
PHP1,811.78
Each
units
K 6mm 250mm +1000°C Stainless Steel - Connection Head - RoHS Compliant <2 s
RS Stock No. 334-2622
BrandRS PRO
PHP1,106.23
Each
units
K 5mm 5mm +750°C 316L Stainless Steel - Bare Wire Tail 2.5m RoHS Compliant 0.7 s
RS Stock No. 872-2569
BrandRS PRO
PHP1,593.53
Each
units
J M8 Bolt 13mm +250°C Stainless Steel - Cable 2 m Overbraided Cable IEC -
RS Stock No. 219-4725
BrandRS PRO
PHP974.32
Each
units
J 4.5mm 150mm +350°C Stainless Steel - Cable 2m IEC -
Related Products
Exposed junction thermocouple with Copper Disc brazed at ...
Description:
Exposed junction thermocouple with Copper Disc brazed at tipFast response – ideal for surface measurementHigh temperature adhesive Kapton strips (13 x 18 x 5 mm)Copper disc, 6.35 mm diameter x 0.3 mm thick1/0.2 mm Teflon® insulated twisted wire1 m or ...
Thermocouple type K to IEC 584 Fast response, ...
Description:
Thermocouple type K to IEC 584 Fast response, welded exposed junction Teflon® PFA insulated twin-twisted lead Class 1 cable specification in accordance with BS EN 60584-3:2008 Tolerance to IEC 584 Class 1 Miniature plug termination Temperature range –75°C to +250°C ...
Fast response, welded exposed junction PFA Teflon® insulated ...
Description:
Fast response, welded exposed junction PFA Teflon® insulated flat pair Single pair of PFA insulated conductors, laid flat with PFA jacket Good mechanical strength and flexibility, resistant to oils, acids and other adverse fluids Thermocouple type K 1/0.3mm or 1/0.5mm ...
A copper/copper-nickel thermocouple housed in a 1.6 mm ...
Description:
A copper/copper-nickel thermocouple housed in a 1.6 mm dia. stainless steel probe. The body is brazed to the probe and the P.T.F.E. insulated cable passes through a waterproof entry. The probe may be steam sterilised. The thermocouple is not isolated ...