Resistance Thermometer Inserts

Special Options

All our resistance thermometer inserts are custom made, as such we are able to tailor your sensors exactly to your requirements. There are many options available including:

Element Options

Pt100 B as standard with Pt100 A, 1/3,1/5,1/10 DIN, Pt 50, Pt 500, Pt 1000 and Pt 2000 available on request.

Process Fittings

Flange or compression fittings can be added such as an adjustable or welded flange on shank.


Full UKAS or UKAS traceable calibration is available. AMS 2750 F to full or traceable calibration is available.


Resistance thermometers can be supplied duplex instead of simplex.

Material Certificates

Material certificates are available on request.


Your own serial, product number or other information attached to sensors via heat shrink cable or metal tags.

Spring Loaded

The design can be spring loaded to give a good thermal contact with pocket/thermowell.

Reduced tip options

Reduced hot junction for fast response or cost saving.

Wire Configuration

3 wire as standard, marked red/red/white, with 2 or 4 wires on request.

Resistance Thermometer Inserts

Resistance Thermometer Inserts are commonly used in pocket, thermowell or head assemblies. They are constructed with Pt100 sensors insulated and protected by mineral insulated powder, which is then packed inside a rigid metal tube. They are very similar to mineral insulated resistance thermometers but they cannot be bent to shape.

Need some help?

If you are unsure exactly what you need, get in touch and we can help identify your requirements.

Contact us

We’ve made resistance thermometers for over 25 years and today we are considered the best choice for custom built temperature sensors in the UK. We continue to apply our expertise and invest in the latest technology to provide our customers with the highest quality temperature sensors available.

Contact us with your requirements if you have an existing sensor design or are unsure what you need we’ll be able to find you get the right sensor for your process.

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