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:Which of the following instruments is used for…In the diagram given if the atmospheric pressure is…The instrument used in the measurement of…If the pressure of the vapour on top of an enclosed…The survey instrument used for measuring horizontal…