AZ8403 Dissolved Oxygen Meter, Portable Dissolved Oxygen Analyzer, Portable DO Meter

AZ8403 Dissolved Oxygen Meter, Portable Dissolved Oxygen Analyzer, Portable DO Meter Big LCD with D.O. & Temp. value display Stability indicator Auto temperature compensation Easy 100% D.O. Value calibration Auto power off time selectable (20/30/40/60/90/120 mins) Offered with most cost effective clark type electrode Data hold function No need refill electrolyte often as gavalnic electrode Battery low indicator PC link port for data download Operation features of each model: