Explore the features and capabilities of HTP's new Invertig 251 AC/DC TIG welder in this comprehensive 20-minute video review. Gain insights into HTP as a company, examine the machine package, and learn about advanced welding technologies such as Fast Tack, Double Pulse, and Dynamic Power. Observe thin and thick material welding tests, understand Zero Crossing Current, and discover the benefits of Mix AC/DC functionality. Investigate the welder's 120-volt operation capabilities and asymmetric waveforms. Conclude with final thoughts on this innovative TIG welding equipment, providing valuable information for both novice and experienced welders looking to upgrade their tools.