Which of the following is used to measure relative humidity? by Sunday | May 19 | Physics WAEC | 0 comments A. hydrometer B. barometer C. hypsometer D. hygrometer Correct Answer: Option D D. hygrometer Users Also Read These:If the partial pressure of water vapour at 27°C is…An instrument used to measure relative humidity is the?The instrument used to measure the relative humidity is?The instrument used for measuring relative humidity…When there is a large difference in the reading of…