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  • Hope, D., Milholland, D., “A Three-Dimensional Ultrasonic Anemometer to Measure the Performance of Clean Zone Air Delivery Systems,” Journal of the IES, November/December 1993.

Supporting Literature

The following is a list of standards that address and discuss filter leak testing using particle counters.

  • EN 1822 “HEPA/ULPA Filters”
  • IEST-RP-CC034 “HEPA and ULPA Filter Leak Tests”
  • ISO 14644-3 “Test Methods”
  • ISO 29463 “High-efficiency filters and filter media for removing particles from air”
  • VDI 2083-3 “Cleanroom technology, Metrology and test methods” Verein Deutscher Ingenieure; Association of German Engineers
  • NEBB “Procedural Standards for Certified Testing of Cleanrooms”