AC DC TIG Welding Machine Characteristics and application: 1) Min. welding current 5A, stable arc performance, can weld thin, middle and thick materials 2) DC pulse TIG welding is applicable to weld stainless steel, copper, titanium and carbon steel 3) In AC, it is descending external characteristic with square wave welding current, beneficial to stable welding current and electric 4) AC TIG welding is suitable for welding aluminum and its alloy material 5) Stepless adjustment of pulse base time, atomization, gas lag time, specially meeting high welding requirements 6) Functions: AC/C TIG welding, AC/DC pulse TIG welding, AC/DC manual welding, AC/DC spot welding. 7) With function of gradual ascending and descending current, no crater and slot. Main parameter: 1) Rated input voltage(V): single phase 380 2) Rated frequency(HZ): 50/60. 3) Rated input capacity(KVA): 16 4) Rated output current(A): 350 5) Current adjust range: 5-350 6) Duty cycle(%): 35 7) Max. no-load voltage(V): 100 8) Pulsed base current(A): 5-350 9) Pulsed reference current(A): 5-350 10) Pulsed time(S): 0.1-1.5 11) Base time: 0.1-2.5 12) Current ascending time: 0-5S 13) Current descending time: 0-5S 14) Weight (kg): 174 15) Other models: WSE250/500.