EdgeTech - DewTech 390 - High Precision Low Dew Point Hygrometer
Precision Low Dew Point Hygrometer, Dew Point range -90°C to +20°C (+/-0.2°C), used in National and Private metrology labs, calibration houses and industrial quality operations.
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Chilled Mirror Dew Point Hygrometer, Accuracies to +/-0.1C. Measures dew point, absolute pressure, PPMv and other psychrometric variables

Portable DewMaster (Dew Point Monitor using Chilled Mirror Sensor Technology); dew point accuracies to +/-0.1°C

Offers a direct reading of dew point (Primary Standard) with exceptional accuracy, no-drift and long life, for monitoring compressed air/ dryer system quality.