... .01/0.001pH b). mV: 0.1/0.01mV DZB-718 Portable Multi-Parameter Water AnalyzerMain Character:1. Display several parameter ... several common ion modes randomly, such as H+, Ag+, Na+ , K+, NH4+, Cl-, F-, NO3-, BF4-, CN-, Cu2+, Pb2+ and Ca2 ... AA alkaline cell Outside Dimension: 210x100x45mm Weight: 0.5kg DZB-718 Portable Water Analyzer