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ET521

Screw-in RTD sensors with replaceable insert (ET521)

For temperature measurement -50...+500 °C; Pt100 Class A or custom sensing element; A4 / AISI316L acid proof steel protection tube; Integrated thermowell with threaded connection; 4-20 mA / 0-10 V analog or RS485 Modbus RTU digital

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Screw-in RTD sensors with replaceable insert (ET521)

Features

  • For temperature measurement -50...+500 °C
  • Pt100 Class A or custom sensing element
  • A4 / AISI316L acid proof steel protection tube
  • Integrated thermowell with threaded connection
  • 4-20 mA / 0-10 V analog or RS485 Modbus RTU digital

Technical Data

Sensing elementPt100, Pt1000, class A according to EN 60751
Measurement range-50...+250 °C or -50...+500 °C
Protection tube1.4404 / AISI316L acid poof steel
DimensionsØ10 mm, L75...350 mm
Standard lengths75 / 100 / 130 / 160 / 200 / 250 / 300 / 350 mm
Protection classIP55 as standard, up to IP67 on request
Terminal headsDIN 43729 type B as standard; spherical type N with hinged lid on request; miniature type M on request
Ambient temperaturewith screw terminal block -40...+100 °C; with transmitter -40...+75 °C
Outputceramic terminal block with 2-, 3- or 4-wire RTD connection
Transmitter optionanalog output 4...20 mA or 0...10 V; digital RS485 Modbus RTU interface
Mounting accessoriesthreaded thermowells

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