[Class : 9] Water Quality Sensor; Water Quality Analyser; Water Quality Transmitters; Sensors For Measurement Of Ph, Conductivity, Orp, Tds, Dissolved Oxygen, Chlorine, Turbidity And Temperature; Analysers For Ph, Conductivity, Orp, Tds, Dissolved Oxygen, Chlorine, Turbidity And Temperature And Transmitters For Ph, Conductivity, Orp, Tds, Dissolved Oxygen, Chlorine, Turbidity And Temperature.