1.measuring range
a)pNa value:(0.00~9.00)pNa
b)Na+(concentration):23g/L~0.023ug/L
basic error of electronic
2.basic error of electronic unit: ±0.02pNa
3.stability of electronic unit: ±0.02pNa/3h
4.instrument repeatability: 0.02pNa±1 bytes
5.temperature compensation of measured solution: (0.0~50.0)°C