An pH meter is used to obtain more accurate pH measurements. A pH meter is an instrument used to measure hydrogen ion activity in solutions - in other words, this instrument measures acidity/alkalinity of a solution.
Centurion Scientific First Floor, Flat No. CFF - 8, Jumbo House, DR. Jha Marg, Okhla Industrial Estate Phase - Iii F F C Okhla, New Delhi - 110020, Delhi, India