Historical
DIN EN ISO 14644-1:1999
Cleanrooms and associated controlled environments - Part 1: Classification of air cleanliness (ISO 14644-1:1999); German version EN ISO 14644-1:1999
The document covers the classification of air cleanliness in cleanrooms and associated controlled environments exclusively in terms of concentration of airborne particles. Only particel populations having cumulative size distributions based on threshold (lower limit) size ranging from 0,1 µm to 5 µm are considered for classification purposes.
CONTENT PROVIDER
Deutsches Institut für Normung [din]
Deutsches Institut für Normung [din]