An automatic dew-point hygrometer making use of .BETA.-ray backscattering and controlled at the constant amount of dew.

Constant Dew Point Corrosion Tests for Metals

Dew point measurement using a sensitive circuit type of dew point sensor

Received: 13 Mar. 2012; Revised 25 Jul. 2012; Accepted 04 Aug. 2012 Received: April 8, 2012; Revised May 4, 2012; Accepted June 6, 2012 Abstract: Aiming at the problem of atmospheric humidity measurement, this paper proposes a method to measure dew point based on sensitive circuit for the first time. We use the quartz crystal in the Colpitts circuit as the humidity sensitive element. Since the ...

The measurement of tiny dew droplets at the initial deposition stage and dew point using a phase-shift interference microscope

The shape of a dew droplet deposited on the mirror surface of a copper plate was measured accurately using an interference microscope that employed a phase-shift technique. The microscope was constructed by adding a piezoelectric transducer to an interference microscope. A simple method that uses a conventional speaker horn and an optical fibre cable was used to depress any speckle noise. The s...

Some Limitations and Errors Inherent in the Use of the Dew Cell for Measurement of Atmospheric Dew Points

The physics of the dew cell sensor are investigated and the resulting limitations upon application and errors in use are discussed. Specific consideration is given to the measurable range of dew point temperatures and relative humidities, response at different temperatures and under different aspiration conditions, and to errors arising from change in the water of hydration of lithium chloride ...

comparison of the amount of debris extruded apically in two rotary techniques: flexmaster and m2

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