Humidistat

An electronic device analogous to a thermostat but which responds to relative humidity, not temperature. Humidistats are used in a number of devices including dehumidifiers, humidifiers, and microwave ovens. In humidifiers and dehumidifiers the humidistat is used where constant relative humidity conditions need to be maintained such as a refrigera...
Found on http://en.wikipedia.org/wiki/Humidistat

humidistat

A device for automatically regulating the relative humidity of air
Found on http://www.encyclo.co.uk/local/21113

humidistat

humidistat, hygrostat 1. An instrument designed to indicate or to control the relative humidity of the air. 2. An appliance used for maintaining the vapor pressure in the air of a room or other enclosed space within set limits.
Found on http://www.wordinfo.info/words/index/info/view_unit/1005/

humidistat

hygrostat, humidistat 1. An instrument that measures, or controls, the relative humidity of the air. 2. A device used for regulating the relative humidity of an enclosed space. A hygrostat contains a sensor that detects a preset level of humidity and is connected to a heater that is turned off, and on, as needed in order to keep the humidity at t...
Found on http://www.wordinfo.info/words/index/info/view_unit/1013/4
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