WSE-200D Digital AC/DC tig welding machine Product Description: 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.Built-in alarming and protective circuits are provided to prevent over currnet, over heat, over voltage, under voltage,etc and ensure safely operation; 5.High duty cycle, continuous operation without interruption at large current is available 6.Micro computer control.