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庫存編號 397-1258
BrandRS PRO
HK$135.23
單位
K 1.5mm 250mm +1100°C Stainless Steel - Cable 1m IEC -
RS庫存編號 621-2170
BrandRS PRO
HK$100.28
單位
K 0.3mm - +400°C - - Cable 2m RoHS Compliant 0.7 s
RS庫存編號 363-0250
BrandRS PRO
HK$81.98
單位
K 1/0.2mm - +250°C - -75°C Miniature Plug 1m IEC -
RS庫存編號 409-4908
BrandRS PRO
HK$54.85
單位
K 0.2mm - +250°C Nickel Aluminium, Nickel Chrome - Miniature Plug 1m RoHS Compliant 0.1 s
RS庫存編號 621-2158
BrandRS PRO
HK$36.756
/個 (每包:5個)
單位
K 2mm - +250°C - - Cable 1m RoHS Compliant 0.7 s
RS庫存編號 397-1264
BrandRS PRO
HK$253.58
單位
K 3mm 150mm +1100°C Stainless Steel - Cable 1m IEC -
RS庫存編號 219-4545
BrandRS PRO
HK$143.23
單位
K - - +100°C - - Miniature Plug 2m IEC -
RS庫存編號 847-9729
BrandRS PRO
HK$126.85
單位
K 1/0.3mm 5m +250°C - - Miniature Plug 5m ANSI -
RS庫存編號 219-4652
BrandRS PRO
HK$208.22
單位
N 3mm 300mm +1300°C Nicrosil Alloy - Cable 1m IEC -
RS庫存編號 621-2423
BrandRS PRO
HK$579.51
單位
K 6mm 400mm +800°C 310 Stainless Steel - Connection Head - RoHS Compliant 2.2 s
RS庫存編號 310-6628
BrandDigitron
HK$243.23
單位
T - - +250°C - - Miniature Plug 10m - 0.5 s
RS庫存編號 290-5036
BrandRS PRO
HK$238.37
單位
K 1/0.2mm 40mm +150°C Aluminium Foil Backing, Silicone Rubber - Cable 1m IEC -
RS庫存編號 408-1069
製造零件編號89 750 150
BrandCrouzet
HK$951.11
單位
- - - +40°C - - - - - -
RS庫存編號 444-1281
BrandRS PRO
HK$435.07
單位
K 0.5mm 250mm +1100°C Stainless Steel - Miniature Plug - IEC -
RS庫存編號 621-2237
BrandRS PRO
HK$149.65
單位
J 0.2mm - +350°C Stainless Steel - Cable 2m RoHS Compliant 0.7 s
RS庫存編號 409-4920
BrandRS PRO
HK$83.63
單位
K 1.2mm - +450°C Nickel Aluminium, Nickel Chrome - Miniature Plug 1m IEC 0.1 s
RS庫存編號 219-4725
BrandRS PRO
HK$175.60
單位
J 4.5mm 150mm +350°C Stainless Steel - Cable 2m IEC -
RS庫存編號 259-328
BrandRS PRO
HK$97.87
單位
J 6mm 170mm +350°C Stainless Steel - Cable 2m RoHS Compliant 0.7 s
RS庫存編號 410-7846
製造零件編號SFIL3
HK$362.10
單位
K - 3m - - - - - - -
RS庫存編號 847-9722
BrandRS PRO
HK$122.42
單位
T - 5m +250°C - - Miniature Plug 5m ANSI -