Metrohm pH meter: Designed to match all laboratory needs, for mobile use in field and at the process environments Kumar Jeetendra | February 5, 2022 A pH Meter is an electronic device that measures hydrogen-ion activity in solution. A pH Meter is a voltmeter connected to a pH responsive electrode. The pH-responsive electrode is made of glass combined with the Ag-AgCl reference electrode. Metrohm 913 pH Meter: Now Every CHEMIST Can Afford Metrohm pH Meter Designed to match all laboratory …