Multi-Waveform Output AC waveforms include square wave, sine wave, triangular wave AC Balance Control AC balance (50~85%) control monitors the oxide and helps better cleaning during aluminum welding. Protections Equipped with temperature, voltage and current sensors for high protection. Standard Accessories Users Manual 4 MTR TIG 18 Torch With Thumbwheel Control 8 MTR Earth Lead … Continue reading Top Gun 320 AC/DC Pulse Tig