brands

attributes.Thermocouple_Type

attributes.Probe_Diameter

attributes.Probe_Length

attributes.Maximum_Temperature_Sensed

attributes.Probe_Material

attributes.Series

attributes.Termination_Type

attributes.Cable_Length

attributes.Standards_Met

attributes.Response_Time

attributes.Calibrated_service_type

attributes.Minimum_Temperature_Sensed

Correge Type J Thermocouple 40mm Length, 4mm Diameter → +600°C

Correge Type K Thermocouple 1m Length, 3mm Diameter → +1200°C

Correge Type K Thermocouple 50mm Length, 8mm Diameter → +200°C

Correge Type J Thermocouple 25mm Length, 14mm Diameter → +250°C

Correge Type J Thermocouple 32 → 52mm Length, 32 → 52mm Diameter → +400°C

Correge Type J Thermocouple 500mm Length, 4.5mm Diameter → +600°C


A thermocouple is a temperature sensor that generates a voltage signal based on the temperature difference between two different metals or alloys. It consists of two dissimilar metal wires joined together at one end, forming a junction. When this junction is exposed to a temperature gradient, it produces a small voltage (which is known as the measuring junction) that is proportional to the temperature difference. You can read more about these sensors in our bespoke [Thermocouples Guide](https://uk.rs-online.com/web/content/discovery/ideas-and-advice/thermocouples-guide)

### **Types Of Thermocouples**

There is a wide range of thermocouple types available, each with different characteristics such as temperature range and robustness. Each thermocouple is defined by a letter which refers to the type of materials used and indicates what temperature range they can be used in.

- [Type K](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/?if=k-type-thermocouples): Made from a combination of nickel-based wires and usable from -200 to 1260°C
- [Type J](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/?if=j-type-thermocouples): Made from iron and copper-nickel and usable from around 0°C to 816°C
- [Type T](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/?selectedNavigation=attributes.Thermocouple_Type=T): Made from copper-constantan alloy and usable from −200 to +350°C
- [Type N](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/?if=n-type-thermocouple): Made from nicrosil-nisil alloys and usable from -270 to +1300°C

If you need help choosing the correct thermocouple for your application, take a look at our [Thermocouple Selection Guide](https://docs.rs-online.com/96d5/0900766b815e5302.pdf)
We also offer a range of [thermocouple extension wires](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouple-extension-wire/) for extending the signal from your probe to your measuring device.
We offer a great selection of high-quality thermocouples from industry-leading brands, including [Electrotherm](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/?selectedNavigation=brands=Electrotherm)  [Jumo](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/?selectedNavigation=brands=Jumo) [Amphenol Advanced Sensors](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/?selectedNavigation=brands=Amphenol%20Advanced%20Sensors) and our trusted brand [RS PRO](https://uk.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/?selectedNavigation=brands=RS%20PRO)

Need calibration? Find out more about our [calibration](https://uk.rs-online.com/web/content/services/maintenance-solutions/rs-calibration)services today 



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RS PRO Type K Exposed Junction Thermocouple 1m Length -75°C → +250°C

RS PRO Type K Thermocouple 1m Length, 1mm Diameter → +800°C

Everything You Need To Know About Thermocouples

RS PRO Type K Mineral Insulated Thermocouple 150mm Length, 1.5mm Diameter → +1100°C

RS PRO Temperature Transmitter mV Thermocouple Type J Thermocouple Type N,

RS PRO Type K Grounded Thermocouple 40mm Length, 4mm Diameter → +350°C

RS PRO Type K Thermocouple Cable/Wire Unscreened +350°C Max, 1/0.315mm

Correge Thermocouples

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