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 instrument used for measuring wind velocity is called?The instrument used for measuring relative humidity…At 35°C and 5 atmospheres pressure the density of a…A reservoir 500m deep is filled with a fluid of…The surveying instrument used for measuring…