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 Calibrated Connector Size For Use With Minimum Temperature
RS Stock No. 471-1833
Mfr. Part No.80PK-24
BrandFluke
kr 1 367,57
Each
Units
K 3.175mm 215.9mm +816°C Stainless Steel - Miniature Plug 1m - - - - - -
RS Stock No. 472-3319
Mfr. Part No.2098714
BrandFluke
kr 1 145,00
Each
Units
K 4.8mm 203.2mm +816°C - - Miniature Plug - - - - - - -
RS Stock No. 911-9796
Mfr. Part No.2098714
BrandFluke
kr 2 004,00
Each
Units
K 4.8mm 203.2mm +816°C - - Miniature Plug - - - SYSCAL - - -