Measurement of Dissolved Oxygen is essential in fermentation and cell culture to ensure optimal conditions for the cell, as low levels of oxygen concentration can affect growth rate, nutrient absorption, cell morphology and metabolism syntheses; this is equivalent to a decrease in the quality of the final product. This is in the field of pharmacology.
Oxygen Meters are also used to measure and monitor the oxygen content at various points in the water circuit of steam boiler installations, in order to avoid corrosion of metals caused by the oxidizing power of oxygen. Among other uses, there is the care of aquatic ecosystems and more.