Measuring Dissolved Oxygen (DO)

Oxygen, Dissolved

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Hanna Instruments offers a wide variety of instrumentation for measuring dissolved oxygen (DO).  From Chemical Test Kits (CTK) to single and multiparameter field meters and research grade bench tops, Hanna has an accurate, affordable solution for nearly any application related to Dissolved Oxygen.  Choose a category above to learn more about our products for testing dissolved oxygen.

What is Dissolved Oxygen (DO)?

Dissolved Oxygen (DO) is a relative measure of the amount of oxygen that is dissolved or carried in a given medium.  It is a key indicator in the health of lakes, ponds and impounded rivers. The presence of oxygen in water is a positive sign, while diminsihed levels of oxygen are often a sign of pollution.

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