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. 337-6798
Mfr. Part No.902020/10-402-1003-1-9-160-104/000
BrandJumo
$236.86
Each
units
PT 100 9mm 160mm +400°C Stainless Steel - - Connection Head - - 50 s
RS Stock No. 548-8269
Mfr. Part No.902520/10-572-1001-1/000
BrandJumo
$110.68
Each
units
PT 100 - - +80°C - - - Cable Gland - - -
RS Stock No. 158-4363
Mfr. Part No.902520/10-572-1001-1/000
BrandJumo
$113.90
Each
units
PT 100 - - +80°C - - - Cable Gland - - 10 ms
RS Stock No. 158-4385
Mfr. Part No.902040/10-387-1003-1-7,5-29-121-20/000
BrandJumo
$81.31
Each
units
PT 100 7.5mm 29mm +270°C Stainless Steel - - Standard Plug - - 6 s (Water)
RS Stock No. 548-8253
Mfr. Part No.902520/10-807-1003-1/330,(0..60°C)
BrandJumo
$128.89
Each
units
PT 100 - - +60°C - - - Cable Gland - - 10 ms
RS Stock No. 499-9421
Mfr. Part No.902030/31-380-1003-1-6-100-104/000
BrandJumo
$197.79
Each
units
PT 100 6mm 100mm +400°C Stainless Steel - - Connection Head - - 14 s
RS Stock No. 454-2227
Mfr. Part No.902150/10-378-1003-1-6-50-11-2500/000
BrandJumo
$61.03
Each
units
PT 100 6mm 50mm +180°C Stainless Steel - - Cable 2.5m - 10 s (Water) 98 s ( Air)
RS Stock No. 548-8663
Mfr. Part No.902250/32-415-1001-1-3-200-04-2500/000
BrandJumo
$241.95
Each
units
PT 100 3mm 200mm +600°C - - - Cable 2.5m - 4 (Water) s, 41 (Air) s
RS Stock No. 548-7367
Mfr. Part No.901250/32-1040-3-250-03-3000/000
BrandJumo
$146.83
Each
units
J 3mm 250mm +800°C - - - Cable 3m - -
RS Stock No. 327-4945
Mfr. Part No.902044/20-380-1003-1-8-50-104-26/000
BrandJumo
$298.02
Each
units
PT 100 8mm 50mm +270°C Stainless Steel - - Standard Plug - - 45 s (Water)
RS Stock No. 327-4973
Mfr. Part No.902044/20-380-1003-1-8-250-104-26/000
BrandJumo
$245.22
Each
units
PT 100 8mm 250mm +270°C Stainless Steel - - Standard Plug - - -
RS Stock No. 357-7553
Mfr. Part No.901250/32-1043-3-200-11-2500/000
BrandJumo
$95.54
Each
units
K 3mm 200mm +1200°C - - - Cable - - 2.8 (Water) s, 64 (Air) s
RS Stock No. 548-7345
Mfr. Part No.902030/30-402-1001-1-6-100-104/391,
BrandJumo
$167.79
Each
units
PT 100 6mm 100mm +400°C Stainless Steel - - Connection Head - - -
RS Stock No. 478-2554
Mfr. Part No.902524/25-380-1003-1-6-100-000/310,404
BrandJumo
$126.02
Each
units
PT 100 6mm 100mm +200°C - - - Cable Gland - - -
RS Stock No. 327-4967
Mfr. Part No.902044/20-380-1003-1-8-150-104-26/000
BrandJumo
$134.16
Each
units
PT 100 8mm 150mm +270°C Stainless Steel - - Standard Plug - - -
RS Stock No. 357-7610
Mfr. Part No.901150/10-848-1042-6-50-11-2500/315,
BrandJumo
$112.68
Each
units
L 6mm 50mm +400°C - - - Cable - - -
RS Stock No. 548-8360
Mfr. Part No.901150/10-848-1040-4,5-30-03-2000/309,
BrandJumo
$73.62
Each
units
J 4.5mm - +350°C - - - Cable 2m - -
RS Stock No. 548-8231
Mfr. Part No.902520/13-572-1003-1/330,(-20..80°C)
BrandJumo
$355.68
Each
units
PT 100 3.3 mm, 5.4mm 29mm +60°C - - - Cable Gland - - -
RS Stock No. 548-8281
Mfr. Part No.902550/30-378-1001-1-04-2500/315,
BrandJumo
$171.86
Each
units
PT 100 25mm 50mm +180°C - - - Cable 2.5m - -
RS Stock No. 357-9795
Mfr. Part No.901250/32-1043-1,5-200-11-2500/000
BrandJumo
$84.60
Each
units
K 1.5mm 200mm +1200°C - - - Cable - - 0.9 (Water) s, 25 (Air) s