Conducting periodic air velocity tests is essential for monitoring filter attributes, particularly the uniformity of velocity across the filter and in comparison to adjacent filters. Variations in velocity can lead to turbulence, increasing the risk of contamination. For HEPA filters in critical areas, we recommend measuring velocities of unidirectional air at a distance of 6 inches from the filter face and near the work surface.
Regular velocity monitoring yields valuable data for the critical area of aseptic processing. If you identify non-uniform air velocity across a specific section of the filter or notice adverse effects on airflow patterns, we recommend replacing the HEPA filters. We specialize in performing recovery tests for clients in diverse industries, showcasing the clean room’s efficacy in removing particulate matter through the purging of the area with filtered air.