... .complete functions 2.high quality &competive price electrodialysis rectifier used for food Product usageSuitable for seawater desalination , the sea ... essence and purification of chemical products, etc. Also be used for food, light industries,,and extract high pure water ... adjustable,ripple factor ≤1%, can be pulse output.3.Complete function of over current ,short circuit,overheating ,phase lack ,easy ...