|
洁净度等级国家标准GB50073-2001
|
|
空气洁净度等级(N)
|
大于或等于表中粒径的*大浓度限值(pc/m3)
|
|
|
0.1um
|
0.2um
|
0.3um
|
0.5um
|
1um
|
5um
|
备注
|
|
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
|
|
|
|