4 – 20 mA Dewpoint Transmitter
Product details
The Shaw Moisture Meters Model SDT is a compact, 2 wire, 4 – 20 mA dew point transmitter designed to meet the stringent demands of industrial applications.
Utilising the ultra high capacitance SHAW sensing technology, various dew point 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 lb/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 lb/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
Various ranges
Various dewpoint ranges are available covering an overall range from -100 °C to +20 °C (-148 °F to +68 °F) dewpoint.
Automatic calibration
The most important and unique feature of the SHAW system is the automatic calibration facility… (read more)
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Product support for Model SDT
Video help for Model SDT
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