Quick response humidity chamber

Details Quick response humidity chamber Quick response humidity chamber

1978-03-03

1979-12-11

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01N 2556

Patent

active

041776674

ABSTRACT:
An apparatus and technique for changing the characteristics of a fluid mem in order to test static response of sensors within that medium. In particular, in testing the static response of a humidity sensor, a first sealed enclosure surrounds a humidity sensor and is retained within a second sealed enclosure. Both enclosures may be purged to have a predetermined relative humidity, one different from the other. The seal of the first chamber is then broken in such a manner that the fluid of the second enclosure subjects the sensor to a different relative humidity.

REFERENCES:
patent: 3273376 (1966-09-01), Aronson
patent: 3458076 (1969-07-01), Babcock
patent: 3731848 (1973-05-01), Nakanishi
Instrument Practice, Dec. 1957, Humidity Step Function Generator, p. 1266.

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