Arc Pig Versus Miller HF251
| Arc Pig | TIG Pig | HF-251 | |
|---|---|---|---|
| Max Current w/ water-cooled torch |
250A (60% duty) |
750A (100% duty) |
250A (60% duty) |
| Max Current w/ gas-cooled torch |
250A (60% duty) |
||
| Weight | 5 lbs | 34 lbs | |
| Dimensions | 5 X 5 X 10" | 15 X 9 X 16" | |
| Works with most power sources? |
Yes | ||
| Draggable? | Yes | No | |
| Power source | Weld cables | 115V (HF251D-1) 230V (HF251-2) |
|
| Built-in gas valve |
No | Yes | |
| Spark gap | Spark plug | 4 sets of custom points |
|
| Spark gap adjustment |
Automatic | Manual | |
| Fires in synchrony with |
Weld voltage | Mains voltage | |
| Cycle-by-Cycle Arc Monitoring? |
Yes | No (Continuous fire or start-only) |
|
| Continuous fire for AC TIG aluminum? |
Yes | ||
| Price includes remote trigger? |
Yes | No | |
| MSRP | $349 | $698 | $1,232 (110V) $1,625 (230V) |
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