Shaw Moisture Meters SSDIR

Model SDT Dewpoint Transmitter.

Shaw Moisture Meters SSDIR

The Shaw Moisture Meters Model SDT is a compact, 2 wire, 4-20 mA dewpoint transmitter designed to meet the demands of tough industrial applications. The unit is fully self contained within a robust 316 grade stainless steel casing providing weatherproof protection to IP66 / NEMA4.

Utilising the industry standard, Ultra High Capacitance Shaw Moisture Sensor, various dewpoint ranges are available covering an overall range from -120C to +20C Dewpoint. The 4-20 mA output is configurable in C Dewpoint, F Dewpoint, ppm(v), g/m3 and lbs/MMSCF.

Weighing in at only 175g, the Model SDT is light enough to be supported by its connection direct into the pipeline or can be placed in a dedicated sample cell.

Incorporating advanced electronics, the Model SDT can derive its power from 7-28V dc non-isolated power source and is configured to output a linear, isolated, 4-20 mA signal for distances up to 1000 meters.

(For full details please request specification sheet Model SDT)


  • 2 Wire, 24V, 4-20mA Dewpoint Transmitter
  • Various Ranges: Overall Range -100C to +20C Dewpoint
  • Output configurable in C Dewpoint, F Dewpoint, ppm(v), g/m3 and lbs/MMSCF
  • Accuracy 2C Dewpoint
  • Weatherproof Rating IP66 NEMA4
  • Maximum Cable Length 1000m
  • Open/Short Circuit Detection
  • Supplied with Calibration Certificate Traceable to National & International Humidity Standards
  • Linear 4-20 mA output signal
  • Weighs only 175 g
  • Self contained, robust and reliable

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