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

Description and application

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

These resistance temperature sensors TR021F 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 to EN 60 529 and they are designed for temperature measurement in pipelines.

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

ACCESSORIES

  • metal central holder K120
  • stainless steel thermowell JS 130
  • ELKA 4012 connector or stainless steel RKCS 4/9 connector
  • connection cable with the straight-type RKT connector or with the rectangular-type 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 021F
Measuring range
-50 °C to 150 °C (can 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
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
  • relativ ambient humidity: 10 to 100 %
  • atmospheric pressure: 70to 106 kPa
  • maximum speed of water/air flow or water vapour flow when measuring the temperature in pipelines:

Length of the case in mm Flow speed of water / air
without a thermowell
Flow speed of water / air
with a thermowell
> 70 to 120 1.5 / 15 m-1 3.0 / 30 m-1
> 120 to 180 1.0 / 8.0 m-1 2.0 / 15 m-1
> 180 to 240 0.6 / 2.5 m-1 1.2 / 5 m-1
> 240 to 420 0.3 / 0.6 m-1 0.8 / 1.6 m-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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