花崗石方尺
花崗石方尺
用于垂直度、平行度檢測，并可作為90度絕對測量基準。
| 規格 | 相鄰兩測量面的垂直度 | 測量面的平面度和直線度 | 相對測量面的平行度 | 兩側面對測量面的垂直度 | 兩側面的平行度 | |||||||||
| 精度等級（μm） | ||||||||||||||
| .000. | .00. | 0 | .000. | .00. | 0 | .000. | .00. | 0 | .000. | .00. | 0 | .000/00. | 0 | |
| 100x100x20 | 0.8 | 1.5 | 3 | 0.4 | 0.7 | 1.4 | 0.8 | 1.5 | 3 | 8 | 15 | 30 | 18 | 72 |
| 150x150x25 | 0.8 | 1.8 | 3.5 | 0.4 | 0.8 | 1.6 | 0.8 | 1.8 | 3.5 | 9 | 18 | 35 | 21 | 84 |
| 200x200x25 | 1 | 2 | 4 | 0.4 | 0.9 | 1.8 | 1 | 2 | 4 | 10 | 20 | 40 | 24 | 96 |
| 250x250x30 | 1.1 | 2.2 | 4.5 | 0.5 | 1 | 2 | 1.1 | 2.2 | 4.5 | 11 | 22 | 45 | 27 | 108 |
| 315x315x30 | 1.3 | 2.6 | 5.2 | 0.6 | 1.1 | 2.3 | 1.3 | 2.6 | 5.5 | 13 | 26 | 52 | 31 | 124 |
| 400x400x40 | 1.5 | 3 | 6 | 0.6 | 1.3 | 2.6 | 1.5 | 3 | 6 | 15 | 30 | 60 | 36 | 144 |
| 500x500x50 | 1.8 | 3.5 | 7 | 0.8 | 1.5 | 3 | 1.8 | 3.5 | 7 | 18 | 35 | 70 | 42 | 168 |
| 630x630x60 | 2.1 | 4.2 | 8.3 | 0.9 | 1.8 | 3.5 | 2.1 | 4.2 | 8.3 | 21 | 42 | 83 | 50 | 199 |
