1 circuit is simple, anti-interference performance is strong 2 arc thrust can be adjusted with the length of welding cable to achieve long-distance welding 3 welding arc current can be adjusted for different thickness of the welding lead 4 digital current meter, accurate pre welding welding current 5 applies to 2- phi phi 6 acidic, alkaline, heat-resistant steel and so on many kinds of welding welding banding 6 suitable for welding of stainless steel, carbon steel, copper and other materials The welder 7.500A above both carbon arc air gouging can 8 high frequency inverter, small volume, light weight, energy saving
