Portable Dissolved Oxygen Meter with probe sensor (Range: 0 to 20.0 mg/L) Aquariums, Medical Research, Agriculture, Fish Incubator facilities Along With Factory Calibration Certificate Model: PDO-520
Milwaukee MW600 LED Economy Portable Dissolved Oxygen Meter with 2 Point Manual Calibration, 0.0-19.0 mg/L, 0.1 mg/L Resolution, +/-1.5 percent Accuracy, 100 Percent Saturation Range
Digital Dissolved Oxygen Meter with ATC Function, 0.0-30.0 mg/L Range, Backlit Display for Aquaculture, Pools, Wastewater and Laboratory Testing
Digital Dissolved Oxygen Meter With Automatic Temperature Compensation And Multi Point Calibration For Swimming Pools Aquariums Drinking Water And Home
Digital Dissolved Oxygen Meter with LCD Display for Water Quality Monitoring in Aquaculture and Sewage Treatment, Portable Analyzer 0-20mg/L
Digital Dissolved Oxygen Meter with Auto Temperature Compensation for Aquaculture and Environmental Monitoring