Model No.: WS7-400
1. Automatic protection from overcurrent, overheat, over/under voltage
2. Support TIG welding and MMA welding
3. HF, easy to start arc
4. In MMA welding, can be used together with all kinds of electrode with a diameter below 0.5mm.
5. In TIG welding, can weld stainless steel, alloy steel, copper, silver, titanium
6. Wide range of supply voltage, as wide as ± 20%
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