Model Number: SCR TIG 250 Brand Name: FONDOF. Key Specifications/Special Features: Applicable for welding aluminum, stainless steel, copper, titanium and moreWith DC or AC/DC argon welding, DC or AC/DC pulsed argon welding and manual welding, functions of 3-in-1 Interior high-frequency arc ignition, easy to strike arc even with small currentGentle and stable welding current ensures the seam with elegant shapeAdjustable initial pulsed current and pulse accurately control the depth of throat, penetration and numbers of ripplesInitial current minimum from 5A to strike arc to prevent the sheet broken through

Preset able current of arc extinguishing to prevent from crater and crack circuit will cut off main circuit if it is out of use for a long time (1 minute), in order to increase energy usage