Labmate Portable Dissolved Oxygen Meter delivers lab-grade accuracy in industrial and harsh environments. It measures 0.00–20.00 mg/L or 0.0–200.0% saturation with manual salinity and barometric pressure compensation. Features include automatic calibration, USB data transfer, and a backlit LCD. 

Labmate Portable Dissolved Oxygen Meter 2 ensures accurate results for saltwater and freshwater with a range of 0.00–20.00 mg/L and 0.0–200.0% saturation. Features include manual salinity and barometric compensation, automatic calibration, and a backlit LCD. Memory stores up to 100 data sets.

Labmate Dissolved Oxygen Meter delivers accurate water quality testing for wastewater, aquariums, and fish hatcheries. It features waterproof protection, a replaceable electrode module, and an American original sensor. With a 0.0–20.0 mg/L range, 2.0% accuracy, auto-read, and salinity/barometric compensation.