Products

Platinum Resistance Thermometer (RTD, PRT, Pt100 Sensors)

What is a Resistance Thermometer ( RTD Sensor )?

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 Thermometer

Our most popular style of RTD sensor and ideal for most applications. Wide choice of terminations e.g. pot seals, wire, connectors, heads etc.

Rigid Stem
Resistance Thermometers

Rigid Stem Resistance Thermometers

Ideal for rigid stem applications or where the sensor is shorter than 2" long, limited to 480°F. Large choice of terminations

Hand Held
Resistance Thermometers
Hand Held Resistance Thermometers

A 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 Thermometers

0.062" 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 Thermometers

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

Reduced Tip
Resistance Thermometers
reduced Tip Resistance Thermometers

Fast response RTD sensors ideal for industrial and other applications

Autoclave
RTD Sensors
Autoclave Resistance Thermometers

RTD 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.

Our most popular styles are also shown on our platinum resistance thermometer pdf available from our downlaods page.

We also have an extensive range of RTD Pt100 and Pt1000 sensors available for immediate depatch from our online store.

For advice, information or a quotation, please call one of our experienced engineers on 877 244 1777.

Click here for our from stock range of resistance thermometers!

Mineral Insulated Resistance Thermometers - Pt100 Sensors
with Pot Seal
0.062" to 0.313" dia.
resistance thermometer with pot seal

A large selection of plain and threaded pot seals supplied with tails or extension Wire (PVC, FEP, Fiberglass etc.)

with Miniature Plug
0.062" to 0.313" dia.
resistance thermometer with plug

Fitted with a miniature thermocouple plug rated to either 428°F or 660°F (220ºC or 350ºC)

with Standard Plug
0.062" to 0.313" dia.

Fitted with a standard thermocouple plug rated to either 428°F or 660°F (220ºC or 350ºC)

with Miniature IP67 die cast alloy head 0.125" to 0.313" dia.

Weatherproof die cast alloy screw top terminal head with ceramic terminal block. Suitable for simplex and duplex assemblies

with Standard IP67 die cast head 0.188" to 0.313" dia. resistance thermometer with standard terminal head

Weatherproof die cast alloy screw top terminal head with ceramic terminal block. Suitable for simplex, duplex and triplex assemblies

with IP67 Bakelite head
0.188" to 0.313" dia.

Weatherproof Bakelite screw top terminal head with Bakelite terminal block. Suitable for simplex, duplex and triplex assemblies

with 316 Stainless Steel head
0.188" to 0.313" dia.

Weatherproof 316 stainless steel screw top terminal head with ceramic terminal block. Suitable for simplex and duplex assemblies

with spring loaded terminal block 0.125", 0.188", 0.250" and 0.313" dia. spring loaded resistance thermometer

Spring loaded insert assemblies. The end seal is incorporated into a terminal block for mounting into any standard terminal head


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