“Instrument for measuring the humidity of air or gas.” A definition of what?
Wet-and-dry-bulb thermometer Assman psychrometer Wet-and-dry bulb thermometer Psychrometer Chilled mirror hygrometer Sling psychrometer Moisture sensor Wet and dry bulb thermometer Whirling hygrometer HYGROMETER Humidity probe Humidity meter Hygrometer
sling psychrometer moisture sensor hygrometer chilled mirror hygrometer whirling hygrometer humidity meter psychrometer assman psychrometer wet and dry bulb thermometer humidity probe
hygrometer
WikipediaEntity
HYGROMETER