... CCC,CE. Features:1.Adopt international standard digital control IGBT inverter technology,use microprocessor to control accurately, easily to use, ... Adopt soft contact functional keypress in the panel, single knob adjust stepless, digital display show kinds of functions clearly,can ... .1-500Overall dimensionsmm540×250×440570×310×630Weightkg304753 Digital IGBT Inverter AC/DC Pulse TIG welding machine