Ultra-low particulate air
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ULPA is an acronym for "Ultra Low Penetration Air (filter)" An ULPA filter can remove from the air at least 99.999% of dust, pollen, mold, bacteria and any airborne particles with a size of 100 nanometres (0.1 µm) or larger.
A number of recommended practices have been written on testing these filters, including:[1]
- IEST-RP-CC001: HEPA and ULPA Filters,
- IEST-RP-CC007: Testing ULPA Filters,
- IEST-RP-CC022: Testing HEPA and ULPA Filter Media, and
- IEST-RP-CC034: HEPA and ULPA Filter Leak Tests.
See also
References
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- ULPA Filter Efficiency Chart: Sentry Air Systems
- European Standard for HEPA & ULPA Filters — EN 1822
- EN 1822: the standard that greatly impacted the European cleanrooms market
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