Automatic or manual dissolved oxygen meters measure the oxygen level present to evaluate the water quality. These portable tools provide intuitive user interface to capture multiple readings and reliable measurements. The waterproof housing and probe are ruggedly designed to operate one-handedly. Dissolved oxygen meters may feature additional low battery indicators and dual sensors to also record temperature compensation. The sizes, ranges, and resolutions may differ among supplied models.

VWR® Traceable® Dissolved Oxygen Meter

Supplier: VWR International

This dissolved oxygen meter simultaneously displays oxygen concentration and temperature.

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Pro20 Lab/Field Dissolved Oxygen Handheld Instrument, YSI

Supplier: XYLEM/YSI

The Pro20 provides everything you need in a handheld dissolved oxygen meter. Ruggedness, simplicity and reliability are the cornerstones of the instrument's design.