HUMIDITY INDICATOR Russian patent published in 2011 - IPC G01N27/42 

FIELD: instrument making.

SUBSTANCE: humidity indicator includes sensor which includes flow formation unit with gas flow stabiliser. Also, device includes coulometric cell consisting of two parts, working and control ones, which are located one after the other. At that, ratio of lengths of control and working parts is not less than 1/3. Besides, humidity indicator includes power supply, input resistor, as well as resistor of working part of coulometric cell. Also, humidity indicator includes controller to the operating algorithm of which there introduced is automatic mode of determining the component of the main conventional error determined with incomplete moisture extraction of coulometric cell and its full compensation.

EFFECT: improving gas humidity measuring accuracy.

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