Labman-LMION40-Ion Meter

Built –in real-time clock stamps stored data to meet GLP standards
pH Range - -2.000 ~ 20.000pH, Accuracy - ±0.002pH
Resolution – 0.001, 0.01, 0.1pH (Selectable)
Ion Concentration Range 
0.001~19999 ppm,mg/L,mol/L 
Ion Concentration Accuracy - ±0.5% Full Scale (Monovalent)
ISE at an Extra Cost