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. 134-8499
Mfr. Part No.TM4411
SGD144.14
Each
units
PT 100 6mm 36mm +150°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 134-8504
Mfr. Part No.TM4511
SGD175.71
Each
units
PT 100 6mm 50mm +150°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 134-8535
Mfr. Part No.TS2659
SGD115.38
Each
units
PT 100 M6 6.5mm +180°C Stainless Steel - - M12 Connector 2m - 3 (T05) s, 8 (T09) s
RS Stock No. 134-8517
Mfr. Part No.TN2405
SGD492.60
Each
units
PT 1000 6mm 30mm +150°C Stainless Steel - - M12 Connector - CE, CULus, DIN EN 60068-2-6, DIN EN 60751, DIN EN 61000-6-2, DIN EN 61000-6-3, DIN IEC 68-2-27 3 s
RS Stock No. 134-8500
Mfr. Part No.TM4431
SGD147.78
Each
units
PT 100 6mm 86mm +150°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 134-8460
Mfr. Part No.TA2145
SGD243.87
Each
units
PT 1000 6mm 150mm +150°C Stainless Steel - - M12 Connector - CE, CULus, DIN EN 60751, DIN EN 61000-6-2, DIN IEC 68-2-27, DIN IEC 68-2-6 3 s
RS Stock No. 134-8488
Mfr. Part No.TD2511
SGD402.47
Each
units
PT 1000 6mm 50mm +150°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 134-8467
Mfr. Part No.TA2445
SGD257.57
Each
units
PT 1000 6mm 150mm +150°C Stainless Steel - - M12 Connector - CE, CULus, DIN EN 60751, DIN EN 61000-6-2, DIN IEC 68-2-27, DIN IEC 68-2-6 3 s
RS Stock No. 134-8468
Mfr. Part No.TA2502
SGD279.60
Each
units
PT 1000 6mm 30mm +200°C Stainless Steel - - M12 Connector - - 2 s
RS Stock No. 134-8536
Mfr. Part No.TS2759
SGD94.19
Each
units
PT 100 M5 8mm +180°C Stainless Steel - - M12 Connector 2m - 3 (T05) s, 8 (T09) s
RS Stock No. 134-8518
Mfr. Part No.TN2415
SGD494.34
Each
units
PT 1000 6mm 50mm +150°C Stainless Steel - - M12 Connector - CE, CULus, DIN EN 60068-2-6, DIN EN 60751, DIN EN 61000-6-2, DIN EN 61000-6-3, DIN IEC 68-2-27 3 s
RS Stock No. 134-8469
Mfr. Part No.TA2512
SGD281.34
Each
units
PT 1000 6mm 50mm +200°C Stainless Steel - - M12 Connector - - 2 s
RS Stock No. 134-8510
Mfr. Part No.TM4811
SGD368.76
Each
units
PT 100 6mm 50mm +150°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 175-7769
Mfr. Part No.TK6110
SGD214.21
Each
units
PT 1000 6mm 50mm +145°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 134-8545
Mfr. Part No.TT9281
SGD117.77
Each
units
PT 1000 6mm 50mm +150°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 134-8503
Mfr. Part No.TM4501
SGD173.97
Each
units
PT 100 6mm 30mm +150°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 134-8478
Mfr. Part No.TAD191
SGD653.39
Each
units
NTC, PT1000 10mm 87.5mm +160°C Stainless Steel - - M12 Connector - - 3 (T05) s, 6 (T09) s
RS Stock No. 134-8458
Mfr. Part No.TA2115
SGD235.03
Each
units
PT 1000 6mm 50mm +150°C Stainless Steel - - M12 Connector - CE, CULus, DIN EN 60751, DIN EN 61000-6-2, DIN IEC 68-2-27, DIN IEC 68-2-6 3 s
RS Stock No. 134-8492
Mfr. Part No.TD2811
SGD352.63
Each
units
PT 1000 6mm 50mm +150°C Stainless Steel - - M12 Connector - - 3 s
RS Stock No. 134-8482
Mfr. Part No.TD2241
SGD338.23
Each
units
PT 1000 6mm 150mm +150°C Stainless Steel - - M12 Connector - CE, CULus, DIN EN 60751, DIN EN 61000-6-2, DIN EN 61000-6-3, DIN IEC 68-2-27, DIN IEC 68-2-6, EC 1935/2004, FDA 3 s