VTSYIQI Portable Dissolved Oxygen Meter Gauge Dissolved Oxygen Tester With Standard Calibration Liquids Accuracy ±0.5 mg/L Expanded memory stores USB For measure conventional water wastewater salt water and other liquids

 VTSYIQI  Portable Dissolved Oxygen Meter Gauge Dissolved Oxygen Tester With Standard Calibration Liquids Accuracy ±0.5 mg/L Expanded memory stores USB For measure conventional water wastewater salt water and other liquids About this item Economical portable dissolved oxygen meter is equipped with a backlit LCD display. 1 or 2 points calibration using the air-saturated water or zero oxygen solution. Salinity and barometric pressure compensations eliminate the measurement errors. Automatic temperature compensation ensures accurate readings over the entire range. Auto-read function senses and locks the measurement endpoint. Features: • Economical portable dissolved oxygen meter is equipped with a backlit LCD display. • 1 or 2 points calibration using the air-saturated water or zero oxygen solution. • Salinity and barometric pressure compensations eliminate the measurement errors. • Automatic temperature compensation ensures accurate readings over the entire range. • Auto-read function