(the current version, superseding the earlier 2005 edition) applies to two fundamental airflow configurations:
This test ensures that the airflow is sufficient to remove particles generated within the room. It measures the velocity of air coming from Filter Fan Units (FFUs) or HEPA filters. 3. Airflow Volume Test Iso 14644-3.pdf
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– Verifies that the HVAC system can maintain specified pressure cascades between rooms, preventing cross‑contamination. (the current version, superseding the earlier 2005 edition)
When conducting validation or routine monitoring, personnel should follow the procedures outlined in the document: (the current version