The instrument used for measuring relative humidity is called? by Sunday | Jun 13 | Geography WAEC | 0 comments A. hygrometer B. wind vane C. anemometer D. thermometer Correct Answer: Option A – hygrometer Users Also Read These:Which of the following instruments is used to…Which of the following is used to measure relative humidity?Which of the following instrument may be used to…The instrument used for measuring the speed of wind…An instrument of measuring wind speed is called?