Longevity has both hobbyists and the professional welders in mind with the TIGWELD 280DX. This compact, versatile unit offers the user a vast array of controls to accurately set the welder to perform under a wide variety of situations including some fine aluminum welding. The TIGWELD 280DX allows the welder to set features like AC frequency and balance control, pulse control and both up and downslope control, effortlessly with our fully synergistic control panel.