VTSYIQI Pocket Dissolved Oxygen Meter Accuracy 0.5mg/L 1 or 2 points calibration For Aquaculture and aquariums

VTSYIQI Real Time Dissolved Oxygen Meter Monitor DO tester Water Quality Tester With RS485 Modbus 4 to 20mA Relays output

VTSYIQI Fluorescence Dissolved Oxygen Meter Optical Dissolved Oxygen Meter Tester Detector with D.O. Range 0~15(mg/L )/0-119.9% Accuracy ±3%FS 3.5m Optical Probe Resolution 0.1 mg/L

VTSYIQI Fluorescence Dissolved Oxygen Meter Fluorescence DO Meter with DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% Resolution 0.1 mg/L Accuary ±3.0% FS Altitude Compensation 0-1000m Salinity Compensation 0-42ppt Automatic Calibration

VTSYIQI Fluorescence Dissolved Oxygen Meter Tester with Dissolved Oxygen Measuring Range 0.0-15.0 (mg/L)/0-119.9% Accuracy ±3.0%FS Salinity Compensation 0~42ppt 99 Pen Data Storage Temperature Measuring Range 0.0~50.0°C

VTSYIQI Fluorescence DO Meter Fluorescence Dissolved Oxygen Meter Detector with Dissolved Oxygen Measuring Range 0.0-15.0 (mg/L)/0-119.9% Salinity Compensation 0~42ppt Calibration 100.0% in Air Altitude Compensation 0-1000m

VTSYIQI Fluorescence DO Meter Fluorescence Dissolved Oxygen Tester with DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% Accuary ±3.0%FS Altitude Compensation 0-1000m for Aquaculture Mariculture Experimental Research Environmental Measurement

VTSYIQI Fluorescence Dissolved Oxygen Tester Fluorescence DO Meter with Accuary ±3.0%FS Salinity Compensation 0-42ppt DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% 99 Pen Data Storage Altitude Compensation 0-1000m

VTSYIQI Fluorescence Dissolved Oxygen Analyzer Tester Meter with 99 Pen Data Storage Altitude Compensation 0-1000m Salinity Compensation 0-42ppt DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% Accuary ±3.0%FS

VTSYIQI Optical Dissolved Oxygen Meter Fluorescence Dissolved Oxygen Testing Instrument Device with D.O. Measuring Range 0.0~15.0 (mg/L)/0~119.9% Accuracy ±3%FS 3.5m Probe

VTSYIQI Fluorescence Dissolved Oxygen Detector Fluorescence DO Meter with Calibration 100.0% in Air 99 Points Records DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% Accuary ±3.0%FS Salinity Compensation 0-42ppt

VTSYIQI Portable Fluorescence Dissolved Oxygen Meter Fluorescence Dissolved Oxygen Tester with Accuary ±3.0% FS Resolution 0.1 mg/L DO Measuring Range 0.0~15.0 (mg/L)/0~119.9% 99 Pen Data Storage