Number | Calculated frequency (Hz) | Measured frequency (Hz) | Percentage (%) |
1 | 0.313 | 0.350 | 10.5 |
2 | 0.443 | 0.412 | 7.6 |
3 | 0.580 | 0.651 | 10.9 |
4 | 0.733 | 0.824 | 11.0 |