1.TIG welding, MMA welding 2.Pulse, square-wave, 2T/4T 3. ... meet various kinds of welding demands such as DC TIG, pulsed TIG, and manual arc welding. It has an advantage of multi-function ... -10Pulse frequencyHz0.1-500Overall dimensionsmm420×260×290Weightkg16.5 DC Pulse TIG welding machine( 200A, Pulse, IGBT)