... Cooling ModeWater cooled and Oil cooledwater qualityDeionized water or Running water,PH:7~8 Water pressure:0.1~0.25MP, temperature:5 ... ~ 40 °C,Less than 90% humidity.Product usageSuitable for plating acid copper, alkaline copper, coke copper, nickel, tin, zinc, decorative ... function of over current ,short circuit,overheating , phase lack ,water lack, etc .Also soft start function;5.Standard antiseptic ...