The Thermal Arc ArcMaster 200 AC/DC is the same full digital control, AC/DC, Stick/ Lift TIG/ HF TIG inverter power supply as the 200 AC/DC with a higher output and expanded input voltage capabilities for maximum user flexibility.  Standard features include: High frequency start, lift TIG start, up/ down slope, pulse, repeat (latch) function, spot timer, job Save & Load, VRD and cellulose E6010 compatibility. This is the ultimate unit designed for precision TIG and Stick welding of all weldable materials. Superior, true square wave output combines with highly developed balance and cleaning features to deliver an unbeatable welding performance with extended tungsten life on aluminum and magnesium alloys without the need for continuous high frequency.