Target is a NEBB Certified firm.
National Environmental Balancing Bureau "NEBB"
Target for TAB.
Testing, Adjusting, Balancing and Cleanroom Validation
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- 1-Air Supply and extract quantities (Air Balance):
In case of turbulently ventilated Cleanrooms the air supply and extract volumes should be measured.
In case of unidirectional flow the velocity should be measured in addition.
- 2-Air movement control between areas:
To demonstrate that the airflow between areas is in the correct direction i.e. from the pressure differences between areas are correct.
- 3- Filter installation leak test (DOP test):
The high efficiency air filter and it's housing should be checked to ensure that no airborne contamination passes into the cleanroom through. (a) a damaged filter. (b) between the filter and its housing. (c) any other part of the filter installation.
- 4-Airborne particles (particle Account):
If the above tests are satisfactory then final measurements will be carried out to ascertain that the concentration of particles and where appropriate, micro-organisms comply with the design specification laid down for the room.
- 5- De-contamination (Recovery) time test:
The airborne particle count should be measured and at regular intervals. A useful endpoint is one –hundredth of the original concentration, and the time taken to reach there, which can be used as an index of efficiency.
- 6- Additional tests:
-Heating and cooling capacities.