Model TR11-A

Measuring insert for resistance thermometer

Tubular design

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

Special features

  • Application ranges from -50 ... +250 °C (-58 ... +482 °F)
  • Tubular design
  • Spring-loaded design
  • Explosion-protected versions


The measuring inserts per DIN 43735 for resistance thermometers described here are designed for mounting in a protective fitting. Operation without thermowell is only recommended in certain applications. The measuring insert has been manufactured from a pipe closed on one side. The sensor is located in the tip of the measuring insert. The measuring inserts are delivered with pressure springs to ensure that the measuring inserts are pressed down to the thermowell bottom.

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

  • other measuring insert lengths (also intermediate lengths)
  • without terminal block
  • with transmitter

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

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.

Measuring insert for resistance thermometer
  • Measuring insert for resistance thermometer
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