TIG welding machine-DFC-WSME550 TWS three-frequency composite current control technology, super arc resistance, deep dissolution effect is obvious KHZ high-frequency welding High-frequency oscillation arc welding High-quality welding Multiple control modes to realize the arc output of various welding characteristics to meet different welding requirements μs-level response to ensure the accuracy and stability of the arc output of high-speed conversion. Highly integrated inverter chopper module Autoweld communication settings: analog communication: can be configured with analog / discrete analog input and output function of the welding robot or welder. 485 digital communication: stronger digital transmission capability, longer transmission distance.