Iso - 146443pdf

Where air movement is more turbulent or mixed. Three Occupancy States:

Where air moves in a single direction at a uniform velocity. iso 146443pdf

The primary goal of ISO 14644-3 is to provide an internationally common basis for measurement and evaluation. It supports the operation and verification needed to meet air cleanliness classifications and other related controlled conditions. The standard applies to: Where air movement is more turbulent or mixed

Understanding ISO 14644-3: The Standard for Cleanroom Test Methods iso 146443pdf