Thermocouples

A thermocouple is essentially a temperature sensor (a device that 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 the junction it creates a voltage that 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 is a wide range of thermocouples available, each with different characteristics, such as temperature range and their robustness. Each thermocouple is defined by a letter such as K-Type. 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 that insulate the wires to prolong their life.Thermocouples are ideal tools for the measurement of high temperatures and are a robust yet affordable solution.What are Thermocouples used for?ThermostatsHospital thermometersVehicle diagnosticsBoiler/heating sensorsOven safety featuresFood thermometersIndustrial probe sensor


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Description Price Thermocouple Type Probe Diameter Probe Length Maximum Temperature Sensed Probe Material Minimum Temperature Sensed Series Termination Type Cable Length Standards Met Response Time Process Connection Accuracy Sensor Type
RS庫存編號 397-1258
BrandRS PRO
HK$261.26
單位
K 1.5mm 250mm +1100°C Stainless Steel - - Cable 1m IEC - - - -
RS庫存編號 621-2170
BrandRS PRO
HK$107.84
單位
K 0.3mm 2m +400°C Glass Fibre - - Cable 2m RoHS Compliant 0.7 s - - -
RS庫存編號 363-0250
BrandRS PRO
HK$103.74
單位
K 1/0.2mm - +250°C - -75°C - Miniature Plug 1m IEC - - - -
RS庫存編號 409-4908
BrandRS PRO
HK$87.24
單位
K 0.2mm 1m +250°C Nickel Aluminium, Nickel Chrome - - Miniature Plug 1m RoHS Compliant 0.1 s - - -
RS庫存編號 621-2158
BrandRS PRO
HK$35.36
/個 (每包:5個)
單位
K 2mm 1m +250°C Teflon PTFE - - Cable 1m RoHS Compliant 0.7 s - - -
RS庫存編號 219-4652
BrandRS PRO
HK$376.68
單位
N 3mm 300mm +1300°C Nicrosil Alloy - - Cable 1m IEC - - - -
RS庫存編號 397-1264
BrandRS PRO
HK$288.12
單位
K 3mm 150mm +1100°C Stainless Steel - - Cable 1m IEC - - - -
RS庫存編號 219-4545
BrandRS PRO
HK$221.39
單位
K - 50mm +100°C - - - Miniature Plug 2m IEC - - - -
RS庫存編號 847-9729
BrandRS PRO
HK$180.62
單位
K 1/0.3mm 5m +250°C - - - Miniature Plug 5m ANSI - - - -
RS庫存編號 809-1010
製造零件編號NTC030HP00
BrandCarel
HK$143.08
單位
NTC, PT1000 - - - - - - - 3m - - - - -
RS庫存編號 621-2423
BrandRS PRO
HK$780.58
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$399.93
單位
T - - +250°C - - - Miniature Plug 10m - 0.5 s - - -
RS庫存編號 290-5036
BrandRS PRO
HK$349.54
單位
K 1/0.2mm 40mm +150°C Aluminium Foil Backing, Silicone Rubber - - Cable 1m IEC - - - -
RS庫存編號 621-2237
BrandRS PRO
HK$184.69
單位
J 0.2mm 2m +350°C Stainless Steel - - Cable 2m RoHS Compliant 0.7 s - - -
RS庫存編號 444-1281
BrandRS PRO
HK$532.26
單位
K 0.5mm 250mm +1100°C Stainless Steel - - Miniature Plug - 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 - - - Connection Head - - - - - -
RS庫存編號 410-7846
製造零件編號FC766F/3
HK$744.40
單位
K - 3m - - - - Miniature Plug - - - - - -
RS庫存編號 219-4725
BrandRS PRO
HK$210.49
單位
J 4.5mm 150mm +350°C Stainless Steel - - Cable 2m IEC - - - -
RS庫存編號 847-9722
BrandRS PRO
HK$150.35
單位
T - 5m +250°C - - - Miniature Plug 5m ANSI - - - -
RS庫存編號 259-328
BrandRS PRO
HK$229.45
單位
J 6mm 170mm +350°C Stainless Steel - - Cable 2m RoHS Compliant 0.7 s - - -