Sagot :
Answer:
Hygrometer
Explanation:
hygrometer is an instrument used in meteorological science to measure the humidity, or amount of water vapour in the air.
Answer:
An instrument used to measure relative humidity is hygrometer.
— hygrometer, instrument used in meteorological science to measure the humidity, or amount of water vapour in the air. Several major types of hygrometers are used to measure humidity.