... phrase,110v/220v/230v/240v 50-60hz portable tig welding machine,1 phrase,110v/220v/ ... portable,high frequency arc start,high speed MOSFET control Technology,200Amps DC TIG welding current Typical Applications:hobby, industrial ... , shipyard installation / repair, dairy industry, construction, aluminum welding industrial, portable, ship service / repair, heating, ventilation and air conditioning, Light ...