1.TIG welding, MMA welding 2.Pulse, square-wave, 2T/4T 3.IGBT, Digital, save 10 group parameter ... memory storage capacity of 10 groups welding parameters. Different welding parameters are accessible after being stored ... high performance. 5. It is applicable for welding stainless steel, copper, titanium, carbon steel ... ×245×420Weightkg252832 Digital IGBT inverter DC TIG welding machine 250A Pulse