DOG-3082 Industrial online Dissolved Oxygen Meter is our latest generation of microprocessor-based high-intelligence on line meter, with English display, menu operation, a high intelligent, multi-function, high measurement performance, environmental adaptability and other characteristics, used for continuous on line monitoring. It can be equipped with DOG-208F Polarographic ppb dissolved oxygen Electrode and can automatically switch from ppb level to ppm level of wide-range measurement.