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 Termination Type Cable Length Standards Met Response Time Sensing Element Type Accessory Type
RS Stock No. 134-8536
Mfr. Part No.TS2759
MYR327.00
Each
units
PT 100 M5 8mm +180°C Stainless Steel - M12 Connector 2m - 3 (T05) s, 8 (T09) s - -
RS Stock No. 134-8534
Mfr. Part No.TS2454
MYR597.00
Each
units
PT 100 6mm 250mm +600°C Stainless Steel - M12 Connector 2m - - - -
RS Stock No. 183-4144
Mfr. Part No.901240/20-1043-2-4500/000
BrandJumo
MYR202.98
Each
units
K 2mm 4.5m +1200°C Inconel 600 - Standard Plug - - 2.6 (Water) s, 34 (Air) s - -
RS Stock No. 607-8790
Mfr. Part No.902550/10-386-1003-1-11-2500/000
BrandJumo
MYR317.62
Each
units
PT 100 6mm 45mm +260°C Stainless Steel - Cable 2.5m - - - -
RS Stock No. 134-8540
Mfr. Part No.TS522A
MYR665.00
Each
units
PT 100 M6 42mm +115°C - - Cable 5m ATEX, CE, DIN EN 60751 13 (T05) s, 39 (T09) s - -
RS Stock No. 387-9916
Mfr. Part No.R9-1306.1-250
BrandReckmann
MYR378.88
Each
units
K 0.5mm 250mm +1100°C - - Cable - - - - -
RS Stock No. 134-8545
Mfr. Part No.TT9281
MYR400.00
Each
units
PT 1000 6mm 50mm +150°C Stainless Steel - M12 Connector - - 3 s - -
RS Stock No. 158-5243
Mfr. Part No.902050/50-402-1003-1-6-120-263-11-2500/315,317
BrandJumo
MYR627.99
Each
units
PT 100 6mm 120mm +400°C Stainless Steel - Cable 2.5m - - - -
RS Stock No. 411-1154
Mfr. Part No.K5-E-2LS-400-200-G1/4
MYR499.34
Each
units
PT 100 6mm 200mm +400°C - - Cable 2.5m - - - -
New
RS Stock No. 205-1286
Mfr. Part No.43659471
BrandWIKA
MYR1,316.62
Each
units
RTD - - +80°C - - - - - - - -
RS Stock No. 548-8635
Mfr. Part No.902020/10-402-1001-1-9-250-104/395,330 (0..100°C)
BrandJumo
MYR978.37
Each
units
PT 100 9mm 250mm +100°C Stainless Steel - Connection Head - - - - -