Model SDT Dewpoint Transmitter

By July 7, 2011News

4 – 20 mA Dewpoint Transmitter

Product details

The Shaw Moisture Meters Model SDT is a compact, 2 wire, 4 – 20 mA dewpoint transmitter designed to meet the stringent demands of industrial applications.

Utilising the ultra high capacitance SHAW sensing technology, various dewpoint ranges are available covering an overall range from -100 °C to +20 °C (-148 °F to +68 °F) dewpoint. The 4 – 20 mA output is configurable in °C dewpoint, °F dewpoint, ppm(v), g/m³ and lbs/MMscf.

Incorporating advanced electronics, the Model SDT can derive its power from 7 – 28 V DC non-isolated power source and is configured to output a linear, isolated, 4 – 20 mA signal for distances up to 1,000 metres.

Weighing in at only 175 g, 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. The unit is fully self contained within a robust housing providing weatherproof protection to IP66/NEMA 4.

The Model SDT is supplied ready to use, with a Calibration Certificate traceable to National and International Humidity Standards, instruction manual and two metres (6.56 ft) of cable.

Key features of Model SDT

  • 2 wire, 24 V, 4 -20 mA dewpoint transmitter
  • Various ranges: overall range -100 °C to +20 °C dewpoint (-148 °F to +68 °F)
  • Output configurable in °C dewpoint, °F dewpoint, ppm(v), g/m³ and lbs/MMscf
  • Accuracy ±2 °C dewpoint (±3.6 °F)
  • Weatherproof rating IP66/NEMA 4
  • Maximum cable length 1,000 m (3,281 ft)
  • Open/short circuit detection
  • Linear 4 – 20 mA output signal
  • Signal output up to 1,000 metres
  • Self-contained, robust and reliable
  • Weighs only 175 g (0.385 lbs)
  • Supplied with a Calibration Certificate traceable to National & International Humidity Standards
Shaw SDT 4-20 mA dewpoint transmitter,process gas compressed air

Various ranges

Various dewpoint ranges are available covering an overall range from -100 °C to +20 °C (-148 °F to +68 °F) dewpoint.

AutoCal function on SDT Transmitter

Automatic calibration

The most important and unique feature of the SHAW system is the automatic calibration facility… (read more)

Related products and accessories for Model SDT

Product support for Model SDT

Video help for Model SDT

Coming soon…

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