Functions: Self-protection (MG-320CC/CV only), cellulose, low carbon, argon arc welding Conditions of use: Ambient temperature -20 50°C; Altitude 3500m Level of Protection: IP23, available for use in the rain Features: High-frequency IGBT chopped wave, with quick dynamic response and excellent welding performance; there is the regulation of arc-starting current and thrust current in manual welding; petrol engine driven at high speed, small, light and portable; dust-proof, sand-proof, waterproof, vibration-proof, good environmental adaptability; digital presetting and display of welding current and voltage, direct-viewing, quick; direct output of 220V AC power source by power generator; available to be with grinder and water pump. Major Technical Parameters Model:MG-320CC/CV Rated output current:320A Rated duty cycle:60% No-load voltage:75V Self-protective flux-cored voltage: 14-30V Welding wire welding current:45-300A Cellulose electrode welding (PIPE) Current:30-280A Argon arc welding (TIG):20-320A Oil tank capacity:30L Full-load oil consumption:7.8L/H Model of diesel oil:Home-made No.93 External dimensions (Width×Depth×Height):850X1036X842 Net weight:137KG