... Good performance of aluminium and aluminium alloy weldingHigh quality TIG welding: pulsed function, start current adjustment, continue ... welding completed.Multi purpose: DC plused TIG welding, DC TIG/MMA welding, square pulsed AC TIG welding, spot TIG weldingProducts' ApplicationWelding for aluminium, ... A)73AUnload voltage (V)DC92Summit current (A)DC 10-500 AC 20-500Post flow time (S)1-20Crater ...