Device for measuring the water content of a moving gas

Details Device for measuring the water content of a moving gas Device for measuring the water content of a moving gas

1979-01-15

1980-09-16

Goldberg, Gerald

Measuring and testing

Gas analysis

Moisture content or vapor pressure

73338, G01N 2562

Patent

active

042222613

ABSTRACT:
A psychrometer or pick-up for measuring the content of water in a gas flow comprises a first sensor or probe for measuring the dry temperature of the gas and is arranged directly in the flow of gas, a second sensor or probe for measuring the wet temperature of the gas and is surrounded by a sheath of a material capable of absorbing a volatile liquid, the second sensor or probe with its sheath also being arranged in the flow of gas, a pair of screens mounted on opposite sides of the second sensor and the sheath for protecting the sheath against thermal radiation, and a wetting device, preferably formed by a dosing pump connected to a nozzle, for injecting successive doses of a predetermined amount of the volatile liquid directly into the interior of the sheath and onto the screens to prevent excessive and insufficient moistening of the sheath and the screens.

REFERENCES:
patent: 1620864 (1927-03-01), Benesh
patent: 1890565 (1932-12-01), Austin
patent: 1894172 (1933-01-01), Guthrie et al.
patent: 2845790 (1958-08-01), Eddy
patent: 2915898 (1959-12-01), Van Luik, Jr.
patent: 2926521 (1960-03-01), Booth
patent: 3603135 (1971-09-01), Kawaguchi
patent: 3890828 (1975-06-01), Pleva
patent: 4129250 (1978-12-01), Chaikin et al.

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