Based on the very latest IGBT inverter technology, TIG power sources with high frequency arc striking of the MATRIX series are equipped with an innovative digital panel for the complete control of all the welding parameters. The excellent technical characteristics of these welding machines, coupled with the high technology of their digital control, allow high quality TIG welding, suitable for the toughest industrial applications and maintenance.These highly advanced technology power sources are robust and user friendly: MATRIX HFs, DC output only, enable TIG welding of mild and stainless steel, copper and its alloys. MATRIX series power sources also offer excellent performance in MMA welding with the most difficult basic and cellulosic electrodes.