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
RS Stock No. 158-4385
Mfr. Part No.902040/10-387-1003-1-7,5-29-121-20/000
BrandJumo
MYR226.20
Each
units
PT 100 7.5mm 29mm +270°C Stainless Steel - - Standard Plug - - 6 s (Water)
RS Stock No. 327-4945
Mfr. Part No.902044/20-380-1003-1-8-50-104-26/000
BrandJumo
MYR664.20
Each
units
PT 100 8mm 50mm +270°C Stainless Steel - - Standard Plug - - 45 s (Water)
RS Stock No. 548-8786
Mfr. Part No.902350/34-386-2001-1-5-150-2-04-3100/317
BrandJumo
MYR823.21
Each
units
PT 100 5mm 150mm +260°C - - - Cable 3m - -
RS Stock No. 548-8792
Mfr. Part No.902350/34-386-2001-1-5-150-2-04-3100/317
BrandJumo
MYR876.64
Each
units
PT 100 5mm 150mm +260°C - - - Cable 3m - -
RS Stock No. 327-4951
Mfr. Part No.902044/20-380-1003-1-8-100-104-26/000
BrandJumo
MYR664.20
Each
units
PT 100 8mm 100mm +270°C Stainless Steel - - Standard Plug - - 45 s (Water)
RS Stock No. 548-8411
Mfr. Part No.901240/20-1040-3-250/000
BrandJumo
MYR359.82
Each
units
J 3mm 250mm +800°C - - - Miniature Plug - - -
RS Stock No. 309-4547
Mfr. Part No.PCA_1.2010.1H_10_F 0,3
BrandJumo
MYR227.34
1 Bag of 5
Bag(s)
PT 100 2mm 10mm +600°C - - - Solder - - 0.02 s (Water), 0.2 s (Air)
RS Stock No. 548-8578
Mfr. Part No.909740/10-402-1001-1-6-203/000
BrandJumo
MYR384.96
Each
units
PT 100 6mm 203mm +400°C - - - Connection Head - - -
RS Stock No. 548-7452
Mfr. Part No.901240/20-1040-3-250/000
BrandJumo
MYR353.00
Each
units
J 3mm 250mm +800°C - - - Miniature Plug - - -
RS Stock No. 357-9795
Mfr. Part No.901250/32-1043-1,5-200-11-2500/000
BrandJumo
MYR272.36
Each
units
K 1.5mm 200mm +1200°C - - - Cable - - 0.9 (Water) s, 25 (Air) s
RS Stock No. 764-5281
Mfr. Part No.902940/50-8-408-1013-0-475-0-0-000/000
BrandJumo
MYR1,876.41
Each
units
PT 1000 12mm - +500°C - - - M12 Connector - - 8 s
RS Stock No. 548-8758
Mfr. Part No.902350/34-386-1001-1-5-150-2-04-3100/317
BrandJumo
MYR671.15
Each
units
PT 100 5mm 150mm +260°C - - - Cable 3m - -
RS Stock No. 357-7430
Mfr. Part No.901120/10-1043-15-500-668-27/000
BrandJumo
MYR731.14
Each
units
K 15mm 500mm +1200°C Stainless Steel - - Connection Head - - -
RS Stock No. 548-7553
Mfr. Part No.901250/32-1043-3-500-03-3000/000
BrandJumo
MYR411.35
Each
units
K 3mm 500mm +800°C - - - Cable - - -
RS Stock No. 260-1071
Mfr. Part No.902050/30-380-1003-1-5,4-27,5-114-11-2500/316,
BrandJumo
MYR351.42
Each
units
PT 100 5.4mm 27.5mm +200°C Stainless Steel - - Cable 2.5m - -
RS Stock No. 357-7648
Mfr. Part No.901190/10-848-1042-6-180-11-2500/000
BrandJumo
MYR323.95
Each
units
L 6mm 175mm +400°C - - - Cable - - -
RS Stock No. 548-8348
Mfr. Part No.901230/41-1043-6-500-000/391,
BrandJumo
MYR522.43
Each
units
K 6mm 500mm +1200°C - - - Connection Head - - -
RS Stock No. 548-8398
Mfr. Part No.909740/10-402-1001-1-6-393/000
BrandJumo
MYR451.01
Each
units
PT 100 6mm 393mm +400°C - - - Connection Head - - -
RS Stock No. 548-8584
Mfr. Part No.902150/30-378-1001-1-6-100-04-3000/315,
BrandJumo
MYR281.39
Each
units
PT 100 6mm 100mm +180°C - - - Cable 3m - -
RS Stock No. 608-4521
Mfr. Part No.902020/10-402-1001-1-9-150-104/395,330 (0..200°C)
BrandJumo
MYR1,135.42
Each
units
PT 100 9mm 150mm +200°C Stainless Steel - - Connection Head - - -