Concept information
PREFERRED TERM
DEWPOINT HYDROMETERS
DEFINITION
- DEWPOINT HYDROMETERS are instruments used for determining the dewpoint (the temperature at which a given air parcel must be cooled at constant pressure and constant water vapor in order for saturation to occur); a small temperature sensor is embedded on the underside of a mirror and the electro-optical system is used to detect the formation of condensate or dew; specular reflectance of the bare mirror decreases the dew layer thickness.
BROADER CONCEPT
URI
https://gcmd.earthdata.nasa.gov/kms/concept/fdc33ea9-1f74-40ec-b7d2-c44f384832e5
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