... ,High and low current:working plied automatically,timing(0 to99hours99minutes) 6,Output stability:≤±1%7,Operating frequency: ... 17±3KHz8,Duty cycle:1-75%(it depend on worked voltage and current);9 ... (Tmax:99h99m)manual time setting function; 6,Output voltage ,current , time are all digital measurement and ... com/ Electrolysis/Polishing Power Source of High Frequency and double pulse