| 摘要 |
An electrochemical device for detecting and quantitatively measuring a select gas in a gaseous medium which includes an electrochemical cell comprising a working electrode, a counterelectrode, and an electrolyte which is independent of, or unaffected by temperature and humidity changes is described. The device incorporates temperature-compensating circuitry comprising thermistors which automatically and simultaneously adjusts for both the zero (signal output when the gas being detected is not present) and span (signal output when the gas being detected is present) changes as a result of variation in temperature. The described device compensates for humidity change through use of a relatively large, predetermined electrolyte volume in contact with the working electrode of the cell. The device provides accurate readings under all temperature and humidity conditions.
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