What is the function of a hygrometer?

A hygrometer is specifically designed to measure the humidity level in the air. Humidity refers to the amount of water vapor present in the atmosphere, and understanding this is crucial in various fields, including meteorology, agriculture, and HVAC (heating, ventilation, and air conditioning) systems.

By measuring humidity, a hygrometer can provide valuable information about weather conditions, the potential for precipitation, and the comfort level for living organisms. This instrument can take various forms, such as mechanical hygrometers, which use materials that change with moisture, or electronic hygrometers, which often use sensors to detect water vapor levels.

Other instruments are used for different measurements: barometers measure air pressure, thermometers measure temperature, and anemometers measure wind speed. Each serves its own distinct purpose, which is why the hygrometer is uniquely identified with humidity assessment.