Actual size | No. of pixels in defect portion | Measured size (mm) | % of Error |
Ø 8 mm, 1 mm depth | 52.1 | 7.7 | 3.8 |
Ø 8 mm, 2 mm depth | 53.1 | 7.8 | 2.5 |
Ø 8 mm, 4 mm depth | 54.0 | 7.9 | 1.3 |