Dissolved Oxygen Meters

Thermo Scientific Orion Star A223/323 RDO optical dissolved oxygen meters ensure the best accuracy with the least amount of maintenance. They are ideal for effluent, aeration basins and even influent, since the sensor is not affected by color and turbidity. There are no membranes or sensor maintenance. The rugged meter design is available in a variety of options, from single to multi-parameter meters.


22 Alpha Road
Chelmsford, MA 01824
United States