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

...
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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. 847-9671
BrandRS PRO
MYR43.67
Each
units
K 1/0.3mm 2m +250°C - - Cable 2m ANSI -
RS Stock No. 621-2259
BrandRS PRO
MYR116.17
Each
units
J 0.2mm 2m +400°C Stainless Steel - Cable 2m RoHS Compliant 0.7 s
RS Stock No. 219-4674
BrandRS PRO
MYR173.60
Each
units
T 1.6mm 100mm +250°C Stainless Steel - Cable 1.5m IEC -
RS Stock No. 621-2467
BrandRS PRO
MYR274.30
Each
units
K 6mm 275mm +1100°C 310 Stainless Steel - Connection Head - RoHS Compliant 20 s
RS Stock No. 872-2509
BrandRS PRO
MYR135.85
Each
units
K 3.18mm 13mm +350°C Stainless Steel - Cable 2m IEC -
RS Stock No. 219-4422
BrandRS PRO
MYR204.98
Each
units
K 6mm 1m +1100°C 316 Stainless Steel - Cable 100mm IEC -
RS Stock No. 804-7874
BrandRS PRO
MYR83.66
Each
units
K 1/0.3mm 5m +350°C - - Miniature Plug 5m IEC -
RS Stock No. 847-9665
BrandRS PRO
MYR41.89
Each
units
K 1/0.2mm 2m +250°C - - Cable 2m ANSI -
RS Stock No. 814-0153
BrandRS PRO
MYR58.03
Each
units
T 0.2 mm, 0.3 mm 2m +250°C - - Miniature Plug 2m ANSI -
RS Stock No. 872-2581
BrandRS PRO
MYR166.54
Each
units
K M8 Bolt 13mm +250°C Stainless Steel - Cable 2m IEC -
RS Stock No. 847-1075
BrandRS PRO
MYR218.45
Each
units
K 0.5mm 500mm +750°C Inconel 600, Stainless Steel - Cable 100mm ANSI -
RS Stock No. 334-2622
BrandRS PRO
MYR126.02
Each
units
K 5mm 5mm +750°C 316L Stainless Steel - Cable 2.5m RoHS Compliant 0.7 s
RS Stock No. 219-4365
BrandRS PRO
MYR116.80
Each
units
K 1.5mm 500mm +1100°C 316 Stainless Steel - Cable 100mm IEC -
RS Stock No. 151-192
BrandRS PRO
MYR108.79
Each
units
K 1/0.3mm 2m +400°C - - Cable 2m BS -
RS Stock No. 621-2388
BrandRS PRO
MYR342.24
Each
units
J 6mm 200mm +700°C 316L Stainless Steel - Connection Head - RoHS Compliant 5 s
RS Stock No. 159-118
BrandRS PRO
MYR114.06
Each
units
K 3mm 500mm +1100°C Inconel 600 - Cable 100mm BS -
RS Stock No. 787-7816
BrandRS PRO
MYR282.78
Each
units
K 6mm 200mm +1100°C Stainless Steel - Cable - IEC -
RS Stock No. 872-2660
BrandRS PRO
MYR295.22
Each
units
K 1.5mm 300mm +1100°C Stainless Steel - Miniature Plug - IEC -
RS Stock No. 150-026
BrandRS PRO
MYR135.18
Each
units
J 6mm 200mm - - - Cable - BS -
RS Stock No. 123-6318
BrandRS PRO
MYR39.75
Each
units
K 1/0.315mm - +250°C - - Miniature Plug 1m IEC -
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Mineral insulated Type ’K’ Duplex Thermocouple 310 stainless steel sheath Sheath can be bent/formed to suit many applications and processes 3.0 or 6.0mm Diameters available Insulated hot junction Probe temperature range -40°C up to +1100°C Standard duplex plug termination (200°C) ...
Fast response, welded exposed junction PFA Teflon® insulated ...
Description:
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The RS PRO IEC K type crocodile clip ...
Description:
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