Holzmann PISA200ACDC portable pulse TIG welder used to weld thin sections of stainless steel, non-ferrous metals such as aluminum, magnesium and copper alloys. Features include 5-200 A welding current range, low start up current, and high quality torch. The Pulse feature enables improved control and setting up the pulse will moderate the heat as you weld, and ensure you have enough heat present at the joint without over layering the weld with filler metal or burning through the metal. Includes pressure relief, welding place equipment, WIG-welding place equipment.