... 3.Digital auto-control. 4.IGBT series resonance circuit 1.Technique parameter of kechuang high frequency induction heating machine XG-40B:1).0.15MPA≤water pressure ... voltage,over current,lack of water,phase fail,over hot,etc. 8).Digital auto-control,it has the function of ... .Other fieldsSemi coductor single crystal upspring,heating fitting in,heat seal,powder applicating,embedding plastic to metal,etc ...