Dew Point Temperature Transmitters and Dew Point Meters
Dew point temperature is an indication of the moisture content in air or other gases. The dew point is the temperature at which air will become saturated with water vapor. Dew point temperature and relative humidity both are used to determine air moisture content but in some applications dew point temperature is a more insightful. An example of this is monitoring of the dew point temperature of compressed to assure water doesn't condense in the line. Dew point temperature can be converted to relative humidity and vice a versa. See the IOthrifty blog Dew Point Calculator for more details.