SQUARE WAVE® 400 ADV is the ultimate solution for industrial TIG AC welding applications. It is combining power and precision welding offering excellent processes and high performance, to increase productivity. The new SQUARE WAVE is designed with the latest energy-saving technology and is ready to work in the most difficult environments, due to its unique design. To achieve excellent welding results, SQUARE WAVE® 400 ADV , utilises both digital and built-in communication systems and devices such as the USB port, making it easy to monitor and track welding operations. Simple automation interface ( A1 ) make it a complete product for most demanding applications.