Question

The instrument that measures and records the relative humidity of air is –

Q: Answer-The instrument that measures and records the relative humidity of air is &ndash;

A hygrometer is an instrument used for measuring the moisture content in the environment. Humidity measurement instruments usually rely on measurements of some other quantity such as temperature, pressure, mass or a mechanical or electrical change in a substance as moisture is absorbed. By calibration and calculation, these measured quantities can lead to a measurement of humidity.