PFG-3085 Industrial online water hardness meter is new latest micro-computer based high-end instrument. It is characterized by three languages in one, suitable for F-, Cl-, Mg2+, Ca2+, NO3-, NH+ (Fluoride ion, Chloride ion, Chloride, Potassium ion, Nitrate ion, Ammonium ion, Calcium ion, Hardness etc.).the ion instrument has a user-friendly interface, easy use, long working life, data logging function.it’s widely used for power plant,drinking water, industrial waste water etc