... 10%, 50/60HZ ApplicationWidely used in environmental protection, sewage treatment, thermal power, breeding, food processing, printing, metallurgy, pharmacy, fermentation, chemical industry, water and ... %, 50/60HZ15.Dimensions: 96x96x100 mm16.Open hole size: 92x92mm17.Weight: 0.9 Kg High accuracy online PH controller/PH probe/water treatment PH ...