無塵等級數 |
微塵粒子測定粒徑最高容許量 |
0.1 µm |
0.2 µm |
0.3 µm |
0.5 µm |
1 µm |
5 µm |
US F. S209E |
ISO 14644-1 |
(m³) |
(ft³) |
(m³) |
(ft³) |
(m³) |
(ft³) |
(m³) |
(ft³) |
(m³) |
(ft³) |
(m³) |
(ft³) |
|
ISO 1 |
10 |
|
2 |
|
0 |
|
0 |
|
0 |
|
0 |
|
|
ISO 2 |
100 |
|
24 |
|
10 |
|
4 |
|
0 |
|
0 |
|
Class-1 |
ISO 3 |
1,000 |
35 |
237 |
8 |
102 |
3 |
35 |
1 |
8 |
0 |
0 |
0 |
Class-10 |
ISO 4 |
10,000 |
350 |
2,370 |
75 |
1,020 |
30 |
352 |
10 |
83 |
2 |
0 |
0 |
Class-100 |
ISO 5 |
100,000 |
3,500 |
23,700 |
750 |
10,200 |
300 |
3,520 |
100 |
832 |
24 |
29 |
0 |
Class-1K |
ISO 6 |
1,000,000 |
35,000 |
237,000 |
7,500 |
102,000 |
3,000 |
35,200 |
1,000 |
8,320 |
236 |
293 |
7 |
Class-10K |
ISO 7 |
* |
* |
* |
* |
* |
* |
352,000 |
10,000 |
83,200 |
2,360 |
2,930 |
70 |
Class-100K |
ISO 8 |
* |
* |
* |
* |
* |
* |
3,520,000 |
100,000 |
832,000 |
23,600 |
29,300 |
700 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|