... LCD Digit show stable,protable,durable Advanced inverter technolong Inverter DC ARC Welder CE approved LCD Digit show stable,protable,durable Advanced ... Stable and reliable welding current;4.Thrust compensation capability, good arc stability, uniform melting pool, little welding spatter, and good ... of 500A and above can be used for air carbon arc gouging;7.Extensively used in the welding and field ...