... and hot start 2) Electrode anti-sticking function 3) Life arc, no HF disturbance 4) Pulse welding 5) Optimization design of ... dust entering welding machine 6)Excellent welding ability, digital control inverter power, easy to handle 7)Protection system against overheat, low ... , easy to carry everywhere you want 1)Welding current range: ARC(10-320A),TIG:(5A-320A) 402)Rate duty cycle:35 ...