The OPSA-120 Organic Pollutant Monitor provides continuous measurement of organic pollutants in industrial wastewater, river water, and saltwater. The unit was developed as a compact, lightweight, maintenance-free UV meter for determining compliance with water quality gross volume regulations. A proprietary rotary cell length modulation method ensures stable monitoring. The analysis device, which uses flow osmosis and is setup at the site, and the operation device, which is a panel mount type, are separate units. The low-maintenance-cost OSPA-120 can be installed at a wide variety of locations.

The analysis unit has no zero drift and offers long-term, stable monitoring. The use of an optic fiber compensation circuit ensures highly accurate and monitoring.

A proprietary wiper-method cleaning mechanism provides continuous cleaning.

A cutting-edge open cell design makes for easy inspection and maintenance. The control unit features an easy-to-read digital display and is capable of converted COD value output.

The problem of turbidity can be eliminated by selection a of compensation coefficient.

Calibration is simple and the prior measurement of ampoule fluid to a fixed amount and the use of a dilution fluid shortens calibration time.