... Pulse Tig Welder 315A, 400A, 500A DIGITAL OPERATION PANEL HIGHLIGHT1. AC/DC TIG welding is mixed function, excellent weld, ... and little electrode consumption. 2. Digital single-chip microcomputer control function, preset various welding parameters.3. AC/DC pulse ... Φ50X103mmdimension480X200X270mm Optional panel of Automation Tig wire feeder: digital welding machine IGBT ac dc tig welder 315A, 400A, ...