... 's integrate circuit.Precisely control of voltage,current,temp etc.TIG,MMA and cut,3 function in 1 CT-Z series ... DC inverter MMA/TIG/CUT welder/welding machine(CT520Z) We can use your logo ... DUAL LED Readout DisplayShows Modes: Plasma Cutter, ARC Welder or TIG WelderDigital Pressure GuageDigital AMP ReadoutDigital Internal TemperatureFULL DIGITAL CONTROLS allow ...