Việt Nam 
EnglishPURPOSE:
To verify that the airflow volume supplied to each room meets the system design criteria and defined air change rate for
respective area.
- This test should be performed by trained or certified personnel.
- Implementation ISO 14644-3:2005 standards.
- Specify the location of absolute terminal filters modules installed.
- For each room, measure the volume of the air m3/hr by using a calibrated balometer.
- Sum up the air volume for all the filters in the room and divided by the room volume to calculate the air changes rate per hour.
- Record the details of all test data.
ACCEPTANCE CRITERIA:
The airflows of the system should be balanced to meet specified air change rate per hour per room.