Mineral insulated or fabricated PT100 sensors are design with fibreglass leads and stainless steel over-braiding. They are normally fitted with a class B RTD sensor at the tip and also with a strain retention spring for added strength.

SKU: PT100/RTD sensor Categories: , Tag:


RTD/PT100 sensor used to measure temperature

Resistance thermometer or PT100 sensor, also called resistance temperature detectors (‘RTD’), are used when measuring temperatures by checking the resistance of the RTD element with temperature. Most RTD sensors are made up of a length of fine coiled wire wrapped around a ceramic or glass core which is placed inside a sheathed probe to protect it. The RTD element is made from a pure material, typically platinum, nickel or copper. The material has a predictable change in resistance as the temperature changes; it is this predictable change that is used to determine temperature.
They are generally more accurate than thermocouples up to 10 times more and are made from two or three wires depending on the accuracy requirement.
As well as the standard stocks sizes here we can easily make you a sensor to your specific requirement.

Additional information

Probe diameter

3 mm, 6 mm

Probe length

50 mm, 100 mm, 150 mm, 200 mm


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