MMA Series IGBT Inverter DC Manual Welder key features: Digital IGBT inverter welding machine, CPU for self-protection like self-diagnosis and self-control, "pre-safeguard " and milliseconds response time to ensure a steady reliable working environment. National defense level fine accuracy of Current output, suitable for all kinds of basic welding electrode (J506, J507, etc. ) and stainless steel, cast iron, copper, aluminum and other electrodes, the additional carbon arc gouging, erection steel welding capabilities and ease of manual TIG welding. Ultra-Portable - 1 / 3 size of ordinary inverter welding machine. Easiness of arc starting, stable welding arc, deep weld pool, forming a good shape, highly constant precisely adjustable continuous output current from 0 to maximum current. Energy efficient (efficiency up to 90%, power factor 0.9). Single control knob, built-in menu to select welding mode easily and set the value to meet the need of accurate control from high-end users. Modular combination for rapid removal, installation, easy maintenance and repair
