Technical specifications
| Item No | MASTER TIG-250AC | ||
|---|---|---|---|
| Rated Input Voltage | 1PH ~ 230V ±15% | ||
| Max. Load Power Capacity | TIG: 6.3KVA | ||
| MMA: 7.1KVA | |||
| Rated Duty Cycle(40℃) 60% | TIG: 250A/20V | ||
| MMA: 200A/28V | |||
| 100% | TIG: 200A/18V | ||
| MMA: 160A/26.4V | |||
| Welding Current/Voltage Range | TIG: 5A/10.2V~250A/20V | ||
| MMA: 20A/20.8V~200A/28V | |||
| Open Circuit Voltage | 70V | ||
| Power Factor | 0.73 | ||
| Efficiency | 80% | ||
| TIG | Pulse | Peak Current | 5A~250A |
| Pulse Frequency | 0.2Hz~20Hz | ||
| Pulse Width (Ratio) | 1~100% | ||
| AC TIG | AC Frequency Range | 20Hz~250Hz | |
| AC Clean Width (AC Balance) | +40~-40 | ||
| AC Clean Ratio (AC Bias) % | +30~-50 | ||
| MIX TIG | MIX Frequency: | 1Hz~5Hz | |
| DC Balance: (%) | 20~80 | ||
| Arc-starting Current | 5A~250A | ||
| Crater-filling Current | 5A~250A | ||
| Current Up-slope Time | 0.1S~15S | ||
| Current Down-slop Time | 0.1S~15S | ||
| Pre-Gas Time | 0.1S~15S | ||
| Flow-Gas Time | 0.1S~15S | ||
| Spot Arc Time | 0.1S-10S | ||
| MMA | Arc Force | 10A~200A | |
| Hot Start Time | 0.1~3S | ||
| Hot Start Current | 10A~200A | ||
| Dimension (LxWxH) | 490X230X440mm | ||
| Weight (KG) | 23KG | ||
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