Ph Meter 5 in 1

It possesses two electrodes – the internal electrode, which is a platinum wire covered with silver chloride, and the reference electrode, which is potassium chloride. The 5 in 1 pH meter also has a pH reading of 0 to 14. The pH meter is of a very high impedance. It is durable and easy to use. The process of 5 point calibration pH meter entails the calibration of a pH metre at five distinct pH readings spanning the entire pH scale. The reference points commonly used are pH 2, 4, 7, 9, and 10, including the entirety of the pH spectrum.