1.TIG welding, MMA welding 2.Pulse, square-wave, 2T/4T 3.IGBT, Digital, save 10 group parameter 4.Pass CCC, CE. ... international standard digital control IGBT inverter technology, usd microprocessor for precise control. It is easier to operate welding efficiently. Moreover,the product ... .1-5000.1-500Overall dimensionsmm565×245×420Weightkg252832 Digital IGBT inverter DC TIG welding machine 250A Pulse