Inverter AC/DC Pulse TIG/MMA Welder (WSME-160;WSME-200;WSME-315;WSME-400;WSME-500) 1. Quality square wave power supply, stable arc, HF arc stabilization not necessary; 2. Concentrated heat, easy to fill in the wire, especially suitable for wire welding in bicycle industry, etc; 3. Supper strong oxidization film removal capability, continuous and adjustable removal width, and good weld surface; 4. Foot pedal controller connection facilitates welder''''''''''''''''s operation; 5. Built-in alarming and protective circuits are provided to prevent over currnet, over heat, over voltage, under voltage, etc and ensure safely operation; 6. High duty cycle, continuous operation without interruption at large current is available; 7. Suitable for welding of various metallic materials such as aluminum, aluminum alloy, carbon steel, stainless steel, copper, titanium, etc. 8. Complete accessories: Welding torch, welding cable, earth clamp, welding holder, carton box