Hydrogen-oxygen generator is composed of electrolytic tank,switching power supply,pressure control,flow control,dry cleaning,flow indication,ect.Hydrogen and Oxygen is obtained by electrolysis aqueous NaOH in the hydrogen generator.It’s features including large area of electrolysis,lower temperature of electrolysis pool,large gas production and high purity.There is a liquid back flow device in the instrument,which ensure that there is no reflux phenomenon occurs in the instrument,and it is safe for the users.