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PTH400 – Transmetteur programmable à 2 fils

Isolated and linearized transmission of RTD Pt100 Ohm) and thermocouple (mV) signals to 4-20 mA. Input: 2, 3 or 4 wire RTD Pt100 and all thermocouple types. Output: 4-20 mA Supply voltage: 9-40 VDC (reverse polarity protected) Maximum load: Rmax Vsupply – 9V) /20 mA Burnout detection: upscale […]

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Isolated and linearized transmission of RTD Pt100 Ohm) and thermocouple (mV) signals to 4-20 mA.


  • Input: 2, 3 or 4 wire RTD Pt100 and all thermocouple types.
  • Output: 4-20 mA
  • Supply voltage: 9-40 VDC (reverse polarity protected)
  • Maximum load: Rmax Vsupply – 9V) /20 mA
  • Burnout detection: upscale – standard
  • Stability: better than +/-0.1% of span
  • I/O isolation: 2000 VDC or peak AC
  • RFI protection: < 1% effect of span at 20-1000 MHz and at field strength of 20 V/m. CE marked
  • Output resolution: 0.015% of span
  • Sensor linearization: 0.1oC for RTD and 0.2oC for thermocouple
  • Linearity: better than 0.02% of span
  • Calibration: automatic periodic 'zero' and 'span' self tests
  • Response time: 0.3 seconds
  • Ambient temperature: -40oC to +85oC
  • Mountability: standard thermal head, DIN rail, panel