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:The surveying instrument used for measuring…The instrument used for measuring wind velocity is called?Which of the following instruments may be used to…The instrument used for measuring the speed of wind…Which of the following is used to measure relative humidity?