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  • Replacement measuring insert for servicing
  • For all industrial and laboratory applications

Special features

    • Sensor ranges from -196 ... +600 °C [-320 ... +1.112 °F]
    • Made of mineral-insulated sheathed cable
    • Functional safety (SIL) with model T32 temperature transmitter
    • Spring-loaded design
    • Explosion-protected versions are available for many approval types (see data sheet page 2)


The measuring inserts per DIN 43735 for resistance thermometers described here are designed for installation in a protective fitting. Operation without a thermowell is only advisable in special cases. The measuring insert is manufactured from bendable, mineral-insulated sheathed cable. The sensor is located in the tip of the measuring insert. The measuring inserts are delivered with loading springs to ensure a good contact to the thermowell floor.

Apart from the DIN versions, customer specific versions are available, for example:

  • other measuring insert lengths (also intermediate lengths)
  • with mounted sleeve to suit inner diameter of the thermowell
  • without terminal block
  • with transmitter


Type and number of sensors, accuracy and method of connection can each be selected to suit the respective application.

A large number of different explosion-protected approvals are available for the TR10-A.

The range of applications is completed by designs without terminal block for direct transmitter installation. Optionally, analogue or digital transmitters from the WIKA range can be installed.


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