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TR 021A - thread
diameter 6 mm, -50 °C to 150 °C

Description and application

TR 021A - thread
diameter 6 mm, -50 °C to 150 °C

These resistance temperature sensors TR 021A with a connector are designed for temperature measurements of gaseous or liquid substances. The temperature range is -50 °C to 150 °C and these limits must not be exceeded even for a brief period. The temperature sensors with a connector consist of a metal case, in which the temperature sensing element is placed, and Lumberg M12 connector, which is an integral part of the case. The temperature sensors with a connector meet ingress protection IP 67 according EN 60 529 and they are designed for temperature measurent in pipelines. Their desing allows faster response to changes in temperature compared to sensors with a thermowell. They can be used as pressure accesories within the meaning of the government regulation No. 26/2003 Coll. as amanded.

The temperature sensors are designed to be operated in a chemically non-aggressive environment. The use must be chosen with regard to temperature chemical resistance of the case and the connector.

ACCESSORIES

  • ELKA 4012 connector or stainless steel RKCS 4/9 connector
  • connection cables with the direct RKT connector or rectangular RKWT connector

DECLARATION, CERTIFICATION, CALIBRATION

  • EU Declaration of Conformity – in accordance with Act 22/1997 Coll. on technical requirements on products as amended.
  • Calibration – The final metrological inspection – comparison with standards or working instruments – is carried out for all the products. Continuity of the standards and working measuring instruments is ensured within the meaning of the Section 5 of Act no.505/1990 on metrology. The manufacturer offers a possibility to supply the sensors calibrated in SENSIT s.r.o.’s laboratory (according to requirements of the EN ISO/IEC 17025 standard) or in an Accredited laboratory.  

 


  • Specifications
  • Wiring diagram
  • Dimensional draft
  • Download
Sensor type TR 021A
Measuring range
-50 °C to 150 °C (may be limited by the type of a sensor, determine in documentation)
Type of sensing element all types
Ingress protection IP67 in accordance with EN 60 529
Thread G ½; M 20 x 1.5; M 27 x 2 other according to customer
Case material
stainless steel DIN 1.4301
Diameter of case 6.0 ± 0.1 mm
Length of case (L) 20 to 500 mm
Type of the connector
LUMBERG RSFM4, M12
Ambient temperature around connector
-25 °C to 80 °C
Wire resistance
0.254 Ω / 1 m at a temperature 25 °C for 2-wire connection
Time response τ0,5 < 7 s; τ0,9 < 9 s (in flowing water 0,4 m.s-1)

Operation conditions:

  • Ambient temperature around connector: -25 °C to 80 °C
  • Relative ambient humidity: 10 to 100 %
  • Atmospheric pressure: 70 to 106 kPa
  • Maximum speed of water/air flow or water vapour flow when measuring the temperature in pipelines:

Length of the case in mm Water flow speed Air flow speed
to 60 2 m.s-1 20 m.s-1
> 60 to 100 1.5 m.s-1 15 m.s-1
> 100 to 160 1 m.s-1 8 m.s-1
> 160 to 220 0.6 m.s-1 2.5 m.s-1
> 220 to 400 0.3 m.s-1 0.6 m.s-1

Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.

Datasheet - temperature sensors with a connecto
Datasheet - temperature sensors with a connectoDatasheet - temperature sensors with a connecto
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