WIKA Surface Resistance Thermometer (TR50)


  • To measure surface temperatures on flat surfaces or pipes, in both laboratory and industrial applications

Special features

  • Sensor ranges up to max. 250 °C (482 °F)
  • Option: 600 °C (1,112 °F)
  • Easily exchanged, no thermowell necessary
  • For screw-fitting, welding or using a tightening strap
  • Cable from PVC, silicone or PTFE
  • Explosion-protected versions

Sales Contact (Wika.sales@asyatrafo.com)




In the variants for flat surfaces, the sensor is fitted within a contact block. This can be screwed or welded onto the vessel surface. Variants for pipes are secured using a tightening strap.

There are various insulating materials available to suit any particular environmental conditions. The cable end is made up, ready for connection, but can also be fitted with a plug or connected to a field case, as options.