Model TR33 Miniature Resistance Thermometer

Brand: WIKA Instruments Ltd.

Resistance thermometers of this series are used as universal thermometers for the measurement of liquid and gaseous media in the range of -50 to 250 °C (-58 to 482 °F).
Features
  • Very compact design, high vibration resistance and fast response time.
  • With direct sensor output (Pt100, Pt1000 in 2-, 3- or 4-wire) or integrated transmitter with output signal 4-20 mA.
  • Individually parameterisable for integrated transmitter with free PC configuration software WIKAsoft-TT.
  • Sensor element with accuracy class A per IEC 60751.
  • EMC conformity in accordance with NAMUR NE21.

Specifications

Temperature Range Class A

  • Without neck tube: -30 ... +150° C [-22 ... +302° F]
  • With neck tube: -30 ... +250° C [-22 ... +482° F]

Temperature Range Class B

  • Without neck tube: -50 ... +150° C [-58 ... +302° F]
  • With neck tube: -50 ... +250° C [-58 ... +482° F]

Temperature at the Plug

  • Max. 85° C [185° F]

Measuring Element

  • Pt100 (measuring current: 0.1 ... 1.0 mA)
  • Pt1000 (measuring current: 0.1 ... 0.3 mA)

Connection Method

  • 2-wire: The lead resistance is recorded as an error in the measurement
  • 3-wire: With a cable length of 30 m or longer, measuring errors can occur.
  • 4-wire: The lead resistance can be neglected.

Tolerance Value of the Measuring Element Per IEC 60751

  • Class A
  • Class B at 2-wire

Electrical Connection

  • M12 x 1 circular connector (4-pin)

Material of Wetted Parts

  • Stainless steel 1.4571

Documentation

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