Clean Room Hepa Filter Testing

Hepa filter integrity testers hepa filter integrity tests are performed to determine if there are leaks in the high efficiency particulate arrestance hepa filters which remove contaminants and establish a specified level of particles is present in the clean room.

Clean room hepa filter testing.

What is pao for cleanroom filter testing. Testing in accordance with en1822 is normally accomplished with an aerosol probe. The hepa filter integrity test is typically performed on cleanroom supply air hepa filters using a photometer to scan the filter surface for pinhole leaks that could allow the transmission of contaminant particles that would be unacceptable in a critical application. Testing your hepa filtration system testing per the accepted standard european norm en1822 2009 is used to certify filtration performance.

Jesus casas provides tips to ensure hepa filters are fit for purpose once installed in your facility. Equally once the unit is installed in the user s production site the test should be performed promptly to verify the integrity of the filter as well as the installation. Clean room standards determine levels of clean room and the proper pressurization help maintain their status. Poly alpha olefin pao is a common substitute.

Di octyl phthalate dop is a chemical aerosol for cleanroom filter testing. Failure or incorrect application of the hepa filter will lead to a degradation of the clean air. When the hepa filter is tested in situ and it is leak free we can be sure that we are only introducing clean air into our facility. For a full list of cleanroom hepa filtration tests view iso en 14544 3 published in january 2006.

Thus if we test the hepa filter to determine if it has passed we can guarantee that the air we are introducing into the cleanroom is particulate free for the chosen filter quality. However di octyl phthalate is now considered a carcinogen and no longer used. Hepa filter testing cleanroom certification. The importance of hepa filter testing used in a variety of critical applications hepa filters can be found in the ventilation systems of clean rooms especially those used for pharmaceutical operations needing a gmp cleanliness grade of c or above and in most micro electronics production facilities.

The probe is moved over the entire surface of the filter. We provide cleanroom services including hepa high efficiency particulate air filter integrity testing and certification particle counting air flow testing and room air changes.