Máy đo điểm sương SHAW Inline Dewpoint Meter Superdew 3-P-C-AC
Range:   -100 to 0 °C (-148 to +32 °F) dewpoint, 0 – 6,000 ppm equivalent
Set to read in degrees Celsius
Indicator:  digital and can be configured to read °C, °F, ppm(v) and lbs/MMSCF 
Output:   4 (0) – 20 mA scalable and proportional to range
Two SPDT relays to be set over the entire range 
Serial interface:  RS485
Power supply:  90 – 250 Vac 50 / 60 Hz 
Incl.: dewpoint sensor, 2 meter (6 feet) sensor cable, stainless steel sensor
holder with 1/4" compression fittings, circular calculator, sensor calibration
certificate traceable to international standards 

Cảm biến SHAW Dewpoint Sensor Purple Spot for Shaw Dewpoint Meters – SE-Purple Spot
Range:  -100 to 0 °C (-148 to 32 °F) Dewpoint Temperature
  0 – 6,000 ppm(v); auto-calibration
Accuracy: ± 1 ppm at dry limit, ± 3 °C (5.4 °F) dewpoint across range
Certificate: Calibration certificate traceable to international standards