For the municipality of the same name in Gloucester County, see Monroe Township, Gloucester County, New Jersey.
How to measure dissolved oxygen. Dissolved oxygen is measured using a dissolved oxygen meter. The best method is to take the measurement in the field at the same time each day because DO concentrations can vary throughout a 24 hour period.issolved oxygen (DO) is a measure of the quantity of free oxygen molecules in water.
Aquavarra Research R&D Publication. Paper 4, August 2009. 2. where C (mg/l) is the dissolved oxygen concentration, assumed to be uniform throughout the water. bulk; dc/dt is the rate of change of oxygen concentration with time; Câ. * (mg/l) is the equilibrium. concentration (concentration reached at infinite aeration time), and k La (t.