FEATURES

●Measuring 3 items of DO (dissolved oxygen), O2 (oxygen in the air) and Water Temperature by one unit.
●Available long period use by DO electrode with diaphragm replacement method and easy to retain (with display for sensor replacement time).
●Calibration is the air automatic method by one touch and with self-checking function.
●Most suitable for water quality management of drainage, excreta, septic tank, combined treatment tank, agricultural settlement water supply, factory drainage, aeration tank, bleeding farm, rivers, etc.