DC InverterTIG/MMA pulse welder (WSM) portable, two use: tig/MMA CE Brand NameHarderwellModel NumberWSM180Arc Current10-180APulse Frequency50-60Rated Duty Cycle60Dimensions45*27*33UsageMMA pulse welding Input Voltage (V)230 Features HF Arc-starting, pulse control and strong welding permeability. Adjustable pulse control, be able to weld automatically. Minimizing, lightness, high quality and energy-saving. Good arc-starting and arc force, it can resist disturbing stable arc and little spatter. High welding quality, deep penetration and strong strength. Auto protection of over-voltage and over-current. Be able to work continuously, it can balance automatically when voltage is waving. Suit for welding all kinds of basic welding rod. Be able to weld cellulose rod. Application Pipe welding; Thin sheet fabrication; Special materials such as titanium; Instllation; Repair; Maintenance Accessorie TIG torch, earth clamp, welding cable, brush/hammer, protective mask. Model: WSM160/180/200 Dc inverter TIG/MMA pulse welding machine