... AC Pulse TIG, DC TIG, DC Pulse TIG 2).Excellent welding performance, similar Hitachi 3) Simple operation AC/DC TIG welding machine HIGHLIGHT1 ... . Feature for AC/DC TIG welding, good looking weld, and ... rectangle wave function of TIG welding, wider applicationrange.3. AC/DC pulse function, thus one side welding, two sides molding.4 ...