Teil 1: Klassifizierung der Luftreinigung
Die Norm ISO 14644-1 betrifft die Klassifizierung der Luftreinheit in Reinräumen und in kontrollierten Umgebungen. Die Klassifizierung der Luft nach dieser Norm erfolgt ausschließlich in Bezug auf die Konzentration der Schwebepartikel. Darüber hinaus werden bei der Klassifizierung nach dieser Norm Partikel von einer Größe im Bereich von 0,1 µm bis 5 µm berücksichtigt.
| Air cleanliness class number | Maximum concentration of particles per m³ of air with the same size or larger than the ones reported in the table | |||||
|---|---|---|---|---|---|---|
| 0.1 um | 0.2 um | 0.3 um | 0.5 um | 1 um | 5 um | |
| ISO 1 | 10 | 2 | ||||
| ISO 2 | 100 | 24 | 10 | 4 | ||
| ISO 3 | 1000 | 237 | 102 | 35 | 8 | |
| ISO 4 | 10000 | 2370 | 1020 | 352 | 83 | |
| ISO 5 | 100000 | 23700 | 10200 | 3520 | 832 | 29 |
| ISO 6 | 1000000 | 237000 | 102000 | 35200 | 8320 | 293 |
| ISO 7 | 352000 | 83200 | 2930 | |||
| ISO 8 | 3520000 | 832000 | 29300 | |||
| ISO 9 | 35200000 | 8320000 | 293000 | |||
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