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Miniature Resistance Thermometers - Pt100 Sensors

with Pot Seal

  • These Pt100 sensors are economical, semi flexible and suited to a wide variety of industrial applications up to (930°F) 500°C.
  • Custom built to your specification and terminated in a wide choice of pot seal styles and temperature ratings. Supplied with either short tails as shown or a longer extension lead
  • Alternatively, we have a large range of sensors available to buy online in various diameters and lengths
  • High accuracy, repeatability and reproducibility as simplex, duplex or triplex element assemblies
  • Wide operating temperature range of -60°F to 930°F (-100ºC to +500ºC).
  • Available in 2, 3 and 4 wire configurations, in grade A accuracy
  • 316 Stainless Steel sheathed and manufactured to IEC 60751:2008

Enquiry Form

4. Wiring Configuration

  Wiring Configuration
(IEC 60751:2008)
2 2 wire
3 3 wire (most popular)
4 4 wire
4BL 4 wire blind loop

5. Sheath Diameter

6. Sheath Length


7. Pot Seal Style

Illustration Select
Crimp on St./St. Pot Seal
Threaded Pot - 8mm ISO x 1mm
Brass Compression Gland Seal 16mm ISO x 1.5mm - FIXED
St./St. Compression Gland Seal 16mm ISO x 1.5mm - FIXED

End Seal Temperature Rating:

8. Extension Leads

Illustration Select
PVC (rated to 220°F/105ºC)
PFA (rated to 480°F/250ºC)
Fiberglass with St./St. Overbraid (rated to 900°F/480ºC)
Please enter Wire length in feet


9. Optional Compression Fitting

10. Quantity Required

Contact Details

Company Name

Your Name



Additional Information

If your enquiry is for more than one style of sensor, please email us with your requirements or use the box below

Send Enquiry  

1 Sensor Style Temperature Range
17 Type 17 - Semi flexible, Mineral Insulated
Our most popular style
-100ºC to +500ºC
18 Type 18 - Semi flexible, Mineral Insulated
Good for high accuracy, high temp applications
-100ºC to +600ºC
Note: Some wiring and number of element configurations may not be available in all diameters

Assemblies with pot seals are supplied with short tails as shown. However, where leads are several metres or more long, it is more suitable to have an overall sheathed Wire. We recommend the following Wires, which are 7/0.2mm and overall sheathed constructions. Other Wires are available, please contact us for details.