499AOZ model sensor is designed for constant determination of dissolved ozone. Main application area — ozonation tanks at municipal water treatment plants. Ozone is also used as a disinfection substance at filling stations and foodstuffs processing shops. 499AOZ model is an amperometric sensors coved with membrane. Sensor consists of gas-permeable membrane extended on a golden cathode. Internal circuit is closed on a silver anode and electrolyte solution. 499AOZ model sensor is supplied with watertight Variopol (VP) socket.