Moisture sensitive element

Details Moisture sensitive element Moisture sensitive element

1982-09-07

1984-12-25

Caldwell, Sr., John W.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

200 6106, G01N 1910, G01N 2712

Patent

active

044896034

ABSTRACT:
A moisture sensitive element including a sheet made from a mixture of electrically insulating fibers having the property to expand upon adsorbing the moisture (e.g., cellulose fiber) and electroconductive fibers (e.g., activated carbon fiber). The moisture sensitive element is capable of sensing the humidity of the air by determining the electric resistance which varies according to the change of the humidity of the air, and can also be applied as a condensation sensor which can sense, for example, dew condensation on windowpanes.

REFERENCES:
patent: 2930016 (1960-03-01), Weston et al.
patent: 3540278 (1970-11-01), Diamond

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