1.TIG welding, MMA welding 2.Pulse, square-wave, 2T/4T 3.IGBT, Digital, save ... international standard digital control IGBT inverter technology, usd microprocessor for precise control. It is easier to operate welding efficiently. Moreover,the product ... -5000.1-5000.1-500Overall dimensionsmm565×245×420Weightkg252832 Digital IGBT inverter DC TIG welding machine 250A Pulse