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 Connector Size For Use With Minimum Temperature Maximum Temperature
RS Stock No. 387-9900
Mfr. Part No.R9-1306.1-025-100
BrandReckmann
$175.02
Each
units
K 0.5mm - +1100°C - - - - - - - - - -
RS Stock No. 388-0427
Mfr. Part No.R7-901-OF
BrandReckmann
$136.12
Each
units
K 22mm 500mm +1370°C - - - - - - - - - -
RS Stock No. 387-9859
Mfr. Part No.R9-1412-150
BrandReckmann
$107.73
Each
units
K 9mm 36mm +1100°C - - - - - - - - - -
RS Stock No. 388-0203
Mfr. Part No.R9-1306.1-150
BrandReckmann
$61.20
Each
units
K 0.5mm - +1100°C - - - - - - - - - -
RS Stock No. 388-0275
Mfr. Part No.RKT10-1000
BrandReckmann
$47.21
Each
units
L 4mm 12mm - - - - - - - - - - -
RS Stock No. 389-7734
Mfr. Part No.R7-902-OF
BrandReckmann
$142.34
Each
units
K 22mm 710mm +1370°C - - - - - - - - - -
RS Stock No. 465-618
Mfr. Part No.R17-2203-500-R9-1741-HT-H
BrandReckmann
$55.09
Each
units
K 1.4mm 500mm +900°C - - - - - - - - - -
RS Stock No. 387-9871
Mfr. Part No.R9-1306.1-1000
BrandReckmann
$139.59
Each
units
K 0.5mm - +1100°C - - - - - - - - - -
RS Stock No. 388-0017
Mfr. Part No.R9-1661-025-250
BrandReckmann
$170.81
Each
units
K 0.5mm 38mm +1100°C - - - - - - - - - -
RS Stock No. 388-0281
Mfr. Part No.RKT10-3000
BrandReckmann
$55.68
Each
units
L 4mm 12mm - - - - - - - - - - -
RS Stock No. 387-9809
Mfr. Part No.R9-1661-150
BrandReckmann
$90.48
Each
units
K 0.5mm 38mm +1100°C - - - - - - - - - -
RS Stock No. 387-9887
Mfr. Part No.R9-1306.1-500
BrandReckmann
$121.97
Each
units
K 0.5mm - +1100°C - - - - - - - - - -
RS Stock No. 387-9821
Mfr. Part No.R9-1412-1000
BrandReckmann
$202.26
Each
units
K 9mm 36mm +1100°C - - - - - - - - - -
RS Stock No. 388-0039
Mfr. Part No.RKT1-1000
BrandReckmann
$45.35
Each
units
L 8mm 150mm +400°C - - - - - - - - - -
RS Stock No. 388-0045
Mfr. Part No.RKT1-3000
BrandReckmann
$47.40
Each
units
L 8mm 150mm +400°C - - - - - - - - - -
RS Stock No. 387-9843
Mfr. Part No.R9-1661-1000
BrandReckmann
$122.55
Each
units
K 0.5mm 38mm +1100°C - - - - - - - - - -
RS Stock No. 387-9792
Mfr. Part No.R9-1661-250
BrandReckmann
$53.84
Each
units
K 0.5mm 250mm +1100°C - - - - - - - - - -
RS Stock No. 388-0023
Mfr. Part No.R9-1661-025-500
BrandReckmann
$180.07
Each
units
K 0.5mm 38mm +1100°C - - - - - - - - - -
RS Stock No. 387-9786
Mfr. Part No.R9-1661-500
BrandReckmann
$60.01
Each
units
K 0.5mm 38mm +1100°C - - - - - - - - - -
RS Stock No. 387-9916
Mfr. Part No.R9-1306.1-250
BrandReckmann
$112.47
Each
units
K 0.5mm - +1100°C - - - - - - - - - -