| No | Current intensity (A) | Temperature (˚C) | Current efficiency (%) | Specific consumption (Wh/Kg∙Cu) |
| 1 | 0.25 | 26 | 96.53 | 619 |
| 2 | 0.3 | 27 | 97.01 | 757 |
| 3 | 0.35 | 26.1 | 97.1 | 961 |
| 4 | 0.4 | 25 | 85.28 | 1397 |
| 5 | 0.25 | 30 | 98.64 | 544 |
| 6 | 0.3 | 30 | 98.32 | 734 |
| 7 | 0.35 | 30 | 97.28 | 725 |
| 8 | 0.4 | 30 | 97.94 | 801 |
| 9 | 0.25 | 35 | 98.34 | 569 |
| 10 | 0.3 | 35 | 98.72 | 658 |
| 11 | 0.3 | 40 | 99.02 | 674 |
| 12 | 0.35 | 40 | 98.46 | 703 |
| 13 | 0.4 | 40 | 97.91 | 744 |