Psychrometer, Wet and Dry Bulb Hygrometer
Psychrometer, Wet and Dry Bulb Hygrometer : An instrument for measuring atmospheric humidity utilizing a dry and wet-bulb thermometer and whirled manually or by motorized unit to provide the moderate air flow necessary to obtain an aspirated wet-bulb temperature reading. An OSH glossary used in safety and health at work which is, adopted by ILO
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