The instrument used for measuring atmospheric pressure is known as? by Sunday | Jun 15 | Geography WAEC | 0 comments A. rain guage B. thermometer C. barometer D. sundial Correct Answer: Option C – barometer Users Also Read These:The temperature at which the saturated vapour…Which of the following instruments is used for…A reservoir 500m deep is filled with a fluid of…The instrument used in the measurement of…The instrument used for measuring relative humidity…