| 空气洁净度等级(N) | 大于或等于表中粒径的最大浓度限值(pc/m3) | |||||
| 0.1um | 0.2um | 0.3um | 0.5um | 1um | 5um | |
| 1 | 10 | 2 |
|
|
|
|
| 2 | 100 | 24 | 10 | 4 |
|
|
| 3 | 1000 | 237 | 102 | 35 | 8 |
|
| 4 | 10000 | 2370 | 1020 | 352 | 83 |
|
| 5 | 100000 | 23700 | 10200 | 3520 | 832 | 29 |
| 6 | 1000000 | 237000 | 102000 | 35200 | 8320 | 293 |
| 7 |
|
|
|
352000 | 83200 | 2930 |
| 8 |
|
|
|
3520000 | 832000 | 29300 |
| 9 |
|
|
|
35200000 | 8320000 | 293000 |
