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[An automatic dew-point hygrometer making use of beta-ray backscattering (author's transl)].

Shigeaki Matsumoto, Hisanobu Kobayashi

Abstract

A proportional control system was employed on this hygrometer. The hygrometer was used in a box in which the temperature and the humidity were constantly regulated. The range of measured dew-point was from -26 degrees C to 60 degrees C in the atmospheric temperature of 0 degree C to 60 degrees C, that was the relative humidity of 12% to 100%, and the accuracy of the measurement was +/- 1 degree C.

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Available abstract

Key concepts: Hygrometer, Dew point, Dew, Humidity, Degree (music), Relative humidity, Environmental science, Atmospheric sciences