why we need to measure 0.5 micron particals in clean room
as used HEPA filters are having 99.97% efficincy.
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Answer / Rahul Kumar Nailwal
Although HEPA filters can capture particles larger than 0.3 microns with an efficiency of 99.97%, smaller particles may pass through the filter. Measuring 0.5 micron particles ensures that the clean room maintains a consistently low contamination level by detecting any potential leaks in the filtration system. This is crucial for maintaining high standards in industries where small particles can significantly impact product quality or human health.
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