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AC/DC inverter offers modes for GTAW, MMA welding

The new Parweld 320A XTI 353 AC/DC inverter is a lightweight, portable machine for production applications. The unit can be used in both AC and DC modes for GTAW or MMA welding.

Square-wave AC output and power pulsing help maximize productivity and reduce heat input, the company reports. The AC mode allows the welding of aluminum and magnesium alloys. The square-wave output with adjustable frequency helps maximize arc energy. Most steels can be welded in DC mode quickly using the power pulsing function.