A humidistat or hygrostat is an electronic device analogous to a thermostat but which responds to relative humidity, not temperature. A typical humidistat...

Hydrometer); one used to regulate it is called a humidistat, or sometimes hygrostat. These are analogous to a thermometer and thermostat for temperature,...

hypersensitivity pneumonitis (humidifier lung). A properly installed and located hygrostat should be used to monitor and control humidity levels automatically, or...