... acid, alkaline electrode welding. Easy with the arc, little spatter, current stability, and good forming ... characteristice, ect.Adjustable arc-start feature, significantly improved arc welding performance.Automatic force current increasing ... ParameterARC-200 (ZX7-200)ARC-250 (ZX7-250)ARC-315 (ZX7-315)ARC-400 (ZX7-400)Rated ... 5.020-400ARC-400 ARC Series Portable MMA Welding Machine (IGBT ...