Method of measuring dewpoint or gas concentration and apparatus

Details Method of measuring dewpoint or gas concentration and apparatus Method of measuring dewpoint or gas concentration and apparatus

1995-04-13

1997-07-01

Brock, Michael

Measuring and testing

Gas analysis

Moisture content or vapor pressure

7317026, G01N 2506, G01W 102

Patent

active

056440804

ABSTRACT:
The invention relates to an indirect measurement method of dewpoint or gas concentration and an apparatus suited for prediction of icing. The method is based on measuring the relative concentration of the gas directly and simultaneously measuring the temperature of the element (3) measuring the relative concentration of the gas. According to the invention, the temperature of the relative value measuring element (3) is shifted so as to bring the operation of the measuring element to a measurement range of maximally high sensitivity.

REFERENCES:
patent: 3287974 (1966-11-01), Ciemochowski
patent: 4373392 (1983-02-01), Nagamoto
patent: 4723439 (1988-02-01), Asakura et al.
patent: 4793181 (1988-12-01), Djorup
patent: 4793182 (1988-12-01), Djorup
patent: 5050434 (1991-09-01), Demisch
patent: 5296819 (1994-03-01), Kuroiwa et al.
patent: 5365784 (1994-11-01), Morrissey

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