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Platinum Resistance Thermometers (RTD, PRT, Pt100 Sensors)

What is a Resistance Thermometer?

A Platinum Resistance Thermometer, commonly referred to as RTD Sensors, PRT Sensors or Pt100 Sensors, is a type of resistance temperature sensor used for a wide variety of temperature measurement applications. Resistance thermometers work on the principle that there is a repeatable change in the resistance of the sensing element with a change in temperature. For full details on the principles and theory of resistance thermometers please click here.

There are many types of Resistance Thermometer such as Pt1000, but typically they are Pt100 (made using a Platinum element with a resistance of 100 ohms @ 0ºC and typically with a 38.5 ohm fundamental interval - change in resistance over the range 0 to 100ºC), available in a wide range of designs and constructions as shown below.

Typical Resistance Thermometers - RTD Sensors, Pt100 Sensors

Mineral Insulated
Resistance Thermometers

Mineral Insulated Resistance ThermometerOur most popular style of RTD sensor and ideal for most applications. Vast choice of terminations e.g. pot seals, Wire, connectors, heads etc.

Rigid Stem
Resistance Thermometers

Rigid Stem Resistance ThermometersIdeal for rigid stem applications or where the sensor is shorter than 2", limited to 480°F. Wide choice of terminations

Hand Held
Resistance Thermometers

Hand Held Resistance ThermometersA range of hand held RTD Sensors to suit a variety of applications from general purpose to surface and air temperature measurements

RTD Sensors for
Surface Measurements

A wide range of RTD sensors for surface measurements including self adhesive patch, pipe, magnetic etc.

Miniature
Resistance Thermometers

Miniature Resistance Thermometers0.062" and 0.080" diameter sensors ideal for precision temperature measurements where minimal displacement and a fast response is required

Other Popular Styles
of RTD Sensors

Popular Resistance ThermometersA wide range of RTD Sensors to suit many applications. Bayonet, bolt, stator slot, basic element styles etc.

Reduced Tip
Resistance Thermometers

reduced Tip Resistance ThermometersFast response RTD sensors ideal for industrial and other applications
Autoclave
RTD Sensors
Autoclave Resistance ThermometersRTD sensors designed specifically for the harsh environments in autoclaves

Leading Resistance Thermometer Manufacturer

We are a leading manufacturer of Platinum Resistance Thermometers (RTD sensors / Pt100 sensors). We have an enormous range of components in stock means we can make virtually any sensor you specify. We can ship custom built RTD Sensors typically within 5 days or sooner.

In addition to manufacturing custom built sensors, we also have an extensive range of designs available from stock for immediate depatch.

Click here for our from stock range of resistance thermometers!

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