Lithium chloride humidistat

Details Lithium chloride humidistat Lithium chloride humidistat

1992-11-10

1994-02-15

Wayner, William E.

Automatic temperature and humidity regulation

Humidity control

7333505, B01F 302

Patent

active

052859606

ABSTRACT:
A simple, relatively low cost wall mountable humidistat that continuously indicates the water vapor content of gas, most preferably air. The humidistat has a conductivity probe with electrodes extending into two interconnected vials containing lithium chloride solution. Moisture is absorbed by the solution from the humid ambient air whereby a change of the volume of the solution results and the level of humidity can be determined.

REFERENCES:
patent: 1459391 (1923-06-01), Clausen
patent: 2064651 (1936-12-01), Fiene
patent: 2398333 (1946-04-01), Shoemaker
patent: 2594163 (1952-04-01), Hayworth
patent: 2629253 (1953-02-01), Deaton
patent: 4276128 (1981-06-01), Nishino et al.
V. Brancu and I. Manolache, "Electronic hygrometers designed at the National Institute of Metrology-Bucharest", Metrologia aplicata vol. XXVII, nr. 2 (1980) pp. 74-77.

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