A sphygmomanometer is an instrument to measure: March 25, 2021 / By Preparation Point / MODEL PAPER 64: EXCISE & TAXATION INSPECTOR (BS-16) (18J, 19J & 20J 2018) Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Humidity in the air B) Blood pressure✓ C) purity of Milk D) Thickness of water Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn