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…Which of the following instruments is used to…The mass of water vapour in a given volume of air is…Relative humidity can be measured with a/an?Which of the following instruments may be used to…