检验划线平板 Inspection Plate
按JB/T7974-99标准制造
Made according to Standard JB/T7974-99
划线、检验、研磨、测量用平板
Usage:Lineation, test, rubbing, measurement
精度：0-3级 Grade：0-3
| 规格（mm） | 精度等级 ( μm ) | |||
| 0 | 1 | 2 | 3 | |
| 100 × 100 | 4 | 8 | 16 | |
| 200 × 100 | 5 | 10 | 20 | |
| 200 × 200 | 5 | 10 | 20 | |
| 300 × 200 | 6 | 12 | 24 | |
| 300 × 300 | 6 | 12 | 24 | |
| 400 × 300 | 6 | 12 | 24 | |
| 400 × 400 | 6 | 12 | 24 | |
| 500 × 400 | 6 | 12 | 24 | |
| 600 × 400 | 7 | 14 | 28 | |
| 600 × 500 | 7 | 14 | 28 | |
| 800 × 400 | 8 | 16 | 32 | 80 |
| 800 × 600 | 8 | 16 | 32 | 80 |
| 900 × 600 | 8 | 16 | 32 | 80 |
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