Humidity strip: Difference between revisions
From Glossary of Meteorology
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|Display title=humidity strip | |||
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|Meaning=(''Also called'' electrolytic strip.) A flat plastic strip bounded by electrodes on two sides and coated with a [[hygroscopic]] chemical compound such as lithium chloride. | |||
|Explanation=The electrical [[resistance]] of this coating is a function of the amount of moisture absorbed from the [[atmosphere]] and the [[temperature]] of the strip. Humidity strips have been used in [[radiosondes]], but are replaced today by thin-film capacitors or carbon-film [[hygrometer]] elements. <br/>''See'' [[dew cell]]. | |||
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Latest revision as of 02:52, 31 March 2024
(Also called electrolytic strip.) A flat plastic strip bounded by electrodes on two sides and coated with a hygroscopic chemical compound such as lithium chloride.
The electrical resistance of this coating is a function of the amount of moisture absorbed from the atmosphere and the temperature of the strip. Humidity strips have been used in radiosondes, but are replaced today by thin-film capacitors or carbon-film hygrometer elements.
See dew cell.