The levelness tolerance indicates the max deviation between the lowest and highest point (temperature of + 20°C).
Levelness tolerance (flatness) in ?m for different degrees of precision.
| Engineer?s rules | Straight-edges | |||||
|---|---|---|---|---|---|---|
| Length in mm ? 2 | 00 | 0 | 1 | 2 | Length in mm ? 2 | 00 |
| 500 | 4 | 7 | 12 | 21 | 75 | 2 |
| 750 | 6 | 9,5 | 17 | 27 | 100 | 2 |
| 1000 | 8 | 12 | 21 | 33 | 150 | 3 |
| 1500 | - | 17 | 29 | 46 | 300 | 3 |
| 2000 | - | 22 | 37 | 58 | ||
| 2500 | - | 27 | 46 | 71 | ||
| 3000 | - | 32 | 54 | 83 | ||
| 4000 | - | 42 | 71 | 108 | ||
| 5000 | - | - | 87 | 133 | ||
