... accurately, easily to use, high efficiency, software can be upgrade and cooperate with automatic welding machinery;2Adopt soft contact functional ... convienient to set welding parameter;2.Satisfied AC/DC TIG welding, pulse AC/DC TIG welding, mix AC/DC TIG welding, MMA welding, and so on;3. ... dimensionsmm540×250×440570×310×630Weightkg304753 AC DC TIG welding machine (IGBT, Pulse, square wave,200A)