by Dr. Yashashwini Reddy | Aug 9, 2025
Working Principle of a pH Meter Definition A pH meter is an analytical instrument used to measure the hydrogen ion concentration ([H⁺]) in a solution, expressing it as pH (potential of hydrogen). Principle A pH meter works on the electrochemical principle of measuring...
by Dr. Yashashwini Reddy | Apr 29, 2025
The operating principle behind a pH meter is based on the electrochemical measurement of the hydrogen ion concentration (H⁺) in a solution. The pH meter works by measuring the voltage (electromotive force) generated between two electrodes—a glass electrode and a...
