Model TR34

Miniature resistance thermometer

Threaded, explosion-protected version

Selected documents
Sales contact

WIKA Danmark A/S

+45 4581 9600


  • Machine building, plant and vessel construction
  • Propulsion technology, hydraulics

Special features

    • Intrinsically safe Ex i version, very compact design, high vibration resistance and fast response time
    • With direct sensor output (Pt100, Pt1000 in 2-, 3- or 4-wire connection) or integrated transmitter with 4 ... 20 mA output signal
    • Integrated transmitter is individually parameterisable with free-of-charge WIKAsoft-TT PC configuration software
    • Sensor element with accuracy class A in accordance with IEC 60751


Resistance thermometers of this series are used as universal thermometers for the measurement of liquid and gaseous media in the range -50 ... +250 °C [-58 ... +482 °F]. The instruments are intrinsically safe and suitable for use in hazardous areas.

They can be used for pressures up to 140 bar with 3 mm sensor diameters and up to 270 bar with 6 mm sensor diameters, depending on the instrument version. All electrical components are protected against humidity (IP67 or IP69K) and designed to withstand vibration (20 g, depending on instrument version).

The resistance thermometer is available with direct sensor output or integrated transmitter, which can be configured individually via the PC configuration software WIKAsoft-TT. Measuring range, damping, fault signal per NAMUR NE43 and TAG no. can be adjusted.

Insertion length, process connection, sensor and connection method can each be selected for the respective application within the order information. The model TR34 resistance thermometer consists of a thermowell with a fixed process connection and is screwed directly into the process. The electrical connection is made via an M12 x 1 circular connector. An adapter for electrical connection with angular connector per DIN EN 175301-803 is optionally available (patent, property right: 001370985).

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