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Model TR34 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 -50 ... +250 °C [-58 ... +482 °F]. The instruments are intrinsically safe and suitable for use in hazardous areas.
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
Specifications
Temperature Range
- Class A: Without neck tube -30 ... +150° C (-22 ... +302° F), With neck tube -30 ... +250° C (-22 ... +482° F)
- Class B: Without neck tube -50 ... +150° C (-58 ... +302° F), With neck tube -50 ... +250° C (-58 ... +482° F)
Temperature at the Connector
- 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 deviations can occur
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
Explosion Protection
- Intrinsically safe to Ex i (ATEX) gas/dust (for further information see “Further specifications for explosion-protected version”)
