PORTABLE DISSOLVED OXYGEN METER Type : Bante821 Product : Bante Instruments Specification : - DO Range : 0.00~ 20.00mg/ L - Resolution : 0.01mg/ L - DO Accuracy : ± 0.2mg/ L - % Saturation of Oxygen : 0.0~ 200.0% - Accuracy : ± 2.0% - Temperature Range : 0~ 50° C - Temperature Accuracy : ± 0.5° C - Temperature Compensation : 0~ 50° C - Memory : 500 data sets with Date/ Time - Output : USB Communication Interface - Connector : 6-pin - Power Requirements : 3× 1.5V " AA " Batteries - Battery Life : Approximately 150 hours - Dimensions : 170( L) × 85( W) × 30( H) mm - Weight : 300 grams - Accessories : DO Probe : Electrolyte and membrane Cap Kit : Carrying Case : Battery