... Temperature compensation 4. Drinking water,Swimming pool and Tap water PH controller/PH meter/PH electrode ApplicationIndustrial waste water, ... waste water treatment, glass carving process, electroplating wastewater, printing and dyeing, electronic semiconductor, chemical, pharmaceutical, etcFeatures:1.High ... .W: 1 KG Drinking water,Swimming pool and Tap water PH controller/PH meter/PH electrode