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. 872-2525
BrandRS PRO
SGD45.14
Each
units
K 4mm 25mm +350°C Stainless Steel - Cable 2m IEC -
RS Stock No. 847-9675
BrandRS PRO
SGD13.93
Each
units
K 1/0.3mm 1m +250°C - - Cable 1m ANSI -
RS Stock No. 455-4270
BrandRS PRO
SGD38.10
Each
units
J 1.5mm 150mm +760°C - - Cable 1m IEC -
RS Stock No. 891-9101
BrandRS PRO
SGD47.43
Each
units
T 1.5mm 150mm +400°C 316 Stainless Steel - Cable 100mm IEC -
RS Stock No. 787-7857
BrandRS PRO
SGD30.65
Each
units
K 4.5mm 150mm +1100°C Stainless Steel - Cable 100mm IEC -
RS Stock No. 872-2512
BrandRS PRO
SGD54.65
Each
units
K 3.18mm 40mm +350°C Stainless Steel - Cable 2m IEC -
RS Stock No. 872-2795
BrandRS PRO
SGD31.93
Each
units
K 1/0.508mm 2m +350°C Glass Fibre - Cable 2m IEC -
RS Stock No. 847-9754
BrandRS PRO
SGD33.87
Each
units
T - 10m +250°C - - Miniature Plug 10m ANSI -
RS Stock No. 872-2534
BrandRS PRO
SGD56.34
Each
units
K 4mm 40mm +350°C Stainless Steel - Cable 2m IEC -
RS Stock No. 363-0288
BrandRS PRO
SGD14.90
Each
units
J 1/0.3mm 2m +350°C - - Miniature Plug 2m IEC -
RS Stock No. 123-6319
BrandRS PRO
SGD16.20
Each
units
K 1/0.315mm 2m +250°C - - Miniature Plug 2m IEC -
RS Stock No. 847-1141
BrandRS PRO
SGD28.77
Each
units
K 1.5mm 250mm +1100°C Stainless Steel - Cable 100mm ANSI -
RS Stock No. 110-4470
BrandRS PRO
SGD38.32
Each
units
T - 2m +220°C - - Miniature Plug 2m IEC, RoHS Compliant -
RS Stock No. 847-9741
BrandRS PRO
SGD30.26
Each
units
T - 10m +250°C - - Cable 10m ANSI -
RS Stock No. 363-0339
BrandRS PRO
SGD12.56
Each
units
T 1/0.2mm 1m +250°C - - Miniature Plug 1m IEC -
RS Stock No. 228-7502
BrandRS PRO
SGD54.30
Each
units
K 6mm 500mm +1100°C Stainless Steel - Cable 100mm IEC -
RS Stock No. 847-1122
BrandRS PRO
SGD30.77
Each
units
K 1mm 150mm +1100°C Stainless Steel - Cable 100mm ANSI -
RS Stock No. 804-7886
BrandRS PRO
SGD31.00
Each
units
K - 10m - - - Miniature Plug - IEC -
RS Stock No. 219-4450
BrandRS PRO
SGD42.81
Each
units
K 1mm 1m +750°C Inconel 600 - Cable 100mm IEC -
RS Stock No. 787-7844
BrandRS PRO
SGD45.80
Each
units
K 1.5mm 2m +1100°C Inconel 600, Stainless Steel - Cable 100mm IEC -
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