Temperatur

Resistance temperature meter
Type: TWL

Resistance thermometers for liquids, solids and gases.

The device is available as Pt100 – single or Pt100 double sensor in class A or B executed.

2 versions are available – head form B for Ex ia and head form XD as Ex d version

Available versions:

  • Version Ex ia or Ex d
  • With ceramic connection base (without converter)
  • With transmitter
  • With transmitter and LCD display

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TWL - Widerstands-Temperaturmessgerät.

Details

Applications

Measurement and monitoring of temperature of almost all liquids and light solids in air-conditioning and refrigeration technology, in heating and furnace, machine and apparatus engineering as well as in the chemical industry.

Installation in almost all tanks, silos or storage vessels as well as in pipelines.

Technical data

Accuracy: Pt 100 class A or B according IEC 751

Prozcess connections

  • Flanges according DIN / ANSI
  • Weld-in sleeve
  • External thread

Wetted parts:

  • Stainless steel 1.4404 (316L) (special material on request)

Measuring range

  • -30….+550 °C
  • -80…+600 °C

Operating pressure

  • max. 250 bar – dependent on the protective sleeve

Electrical data

  • Output: resistance value, 2-, 3- or 4-wire
  • Output: 4…20 mA,
  • Supply voltage: 8..35 VDC with HART; 9…32 VDC with PROFIBUS / FIELDBUS FOUNDATION

Protection class IP 54…IP 68

Certificates and approval

ATEX – Ex ia or Ex d

Communication

4-20 mA, Hart®, PROFIBUS / FIELDBUS FOUNDATION