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. 457-3647
Mfr. Part No.D03516
BrandCorrege
$91.53
Each
units
PT 100 6mm 100mm +400°C Stainless Steel - - Cable 3m - -
RS Stock No. 547-7297
Mfr. Part No.D 04718
BrandCorrege
$53.76
Each
units
PT 1000 6mm 35mm +100°C - - - Cable 2m - -
RS Stock No. 370-6587
Mfr. Part No.D00538/PS6/50/2000/PT100/SMS3
BrandCorrege
$65.38
Each
units
PT 100 6mm 50mm +100°C - - - Cable 2m - -
RS Stock No. 457-3631
Mfr. Part No.D03515
BrandCorrege
$77.15
Each
units
PT 100 6mm 100mm +200°C Stainless Steel - - Cable 3m - -
RS Stock No. 547-7786
Mfr. Part No.PTC5/2500/J/SCI/2TJ06C03/VERROU/12X14
BrandCorrege
$83.38
Each
units
J 0.5mm 30mm +400°C Stainless Steel - - Cable 2.5m IEC 0.7 s
RS Stock No. 547-7304
Mfr. Part No.EX 04105
BrandCorrege
$126.67
Each
units
PT 100 6mm 60mm +200°C Stainless Steel - - Cable 2.5m - -
RS Stock No. 370-6313
Mfr. Part No.CSIF/500/PT100/CLA/316L/D6
BrandCorrege
$418.45
Each
units
PT 100 6mm 500mm +500°C Stainless Steel - - Connection Head - - -
RS Stock No. 547-7326
Mfr. Part No.D 04719
BrandCorrege
$304.76
Each
units
K 0.9mm 60mm +250°C Stainless Steel - - Cable 1.5m IEC 0.7 s
RS Stock No. 123-9971
Mfr. Part No.EX14388
BrandCorrege
$251.61
Each
units
K 1.5mm 250mm +1200°C Inconel 600 - - Cable 2m ATEX 2 s
RS Stock No. 370-6290
Mfr. Part No.CSIF/250/PT100/CLA/316L/D6
BrandCorrege
$338.89
Each
units
PT 100 6mm 250mm +500°C Stainless Steel - - Connection Head - - -
RS Stock No. 370-6571
Mfr. Part No.D00539/PS3/30/2000/PT100/CLA
BrandCorrege
$178.06
Each
units
PT 100 3mm 30mm +250°C Stainless Steel - - Cable 2m - -
RS Stock No. 547-7764
Mfr. Part No.PTC5R/2000
BrandCorrege
$70.70
Each
units
J 2.5mm 35mm +600°C Stainless Steel - - Cable 2m IEC 0.7 s
RS Stock No. 123-9972
Mfr. Part No.EX16165
BrandCorrege
$238.01
Each
units
K 1.5mm 1m +1200°C Inconel 600 - - Cable 2m ATEX 2 s
RS Stock No. 324-2437
Mfr. Part No.PTBO/C/M8X100/2000
BrandCorrege
$100.99
Each
units
J 4mm 40mm +600°C Stainless Steel - - Cable 2m IEC 0.7 s
RS Stock No. 324-2421
Mfr. Part No.PTBO/C/M6X100/2000
BrandCorrege
$101.90
Each
units
J 4mm 40mm +600°C Stainless Steel - - Cable 2m IEC 0.7 s
RS Stock No. 547-7556
Mfr. Part No.D05971
BrandCorrege
$122.27
Each
units
PT 100 6mm 200mm +200°C Stainless Steel - - Cable 3m - -
RS Stock No. 324-2409
Mfr. Part No.PTOEILLET/6/SCM/2000
BrandCorrege
$124.95
Each
units
J 14mm 25mm +250°C 316 Stainless Steel - - Cable 2m IEC 0.7 s
RS Stock No. 370-6335
Mfr. Part No.CSIF/500/2XPT100/CLA/316L/D6
BrandCorrege
$509.44
Each
units
PT 100 6mm 500mm +500°C Stainless Steel - - Connection Head - - -
RS Stock No. 324-2415
Mfr. Part No.PTRV4/SCM/2000
BrandCorrege
$146.64
Each
units
J 14mm 25mm +250°C Stainless Steel - - Cable 2m IEC 0.7 s
RS Stock No. 547-7332
Mfr. Part No.D 04720
BrandCorrege
$316.13
Each
units
K 8mm 50mm +200°C - - - Miniature Plug 2.5m IEC 0.7 s