Relative Humidity is measured by

Solution (By Examveda Team)

A hygrometer is an instrument used in meteorological science to measure the relative humidity or amount of water vapour in the air.

The barometer is a scientific instrument used to measure atmospheric pressure.

The thermometer is a device that, measures temperature or a temperature gradient.

Rainguage is a meteorological instrument to measure the precipitating rain in a given amount of time per unit area.