... . It can be used in the high-precision pH measurements, such as scientific research, quality control, ... continuous measurement mode.Automatically recognize 13 kinds of pH buffer solution. User can choose anyone from four ... seriesHigh purified water and ammonia added purified water pH measuring mode can be set up, especially ... 01/0.001 pHMeter:±0.002 pH,≤1×10-12 A≥3×1012 Ω±0.002 pH/3h(0 to 100) ...