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Room Air Leakage Test

Data Center


solation Room



The Room Air Leakage Test is performed to verify that the installation and assembly of the room and penetrations are properly sealed, and that all operations are conducted in accordance with the design. This test helps to reduce the room’s air leakage rate to prevent the spread of negative pressure room air to the outside, which reduces the loss of air volume and improves the room pressure control. The test must be conducted by a NEBB TAB Firm Certified or NEBB CP TAB Certified professionals, and the air leakage rate of the room must meet the standard requirements, such as ASTM E779-10, ATTMA TSL1 & TSL2, CGSB 149.10, EN13829, and USACE.

Testing Reference Standards

  • NEBB
  • AABC

Air Quality Testing Objective

The objective of the air quality test is to perform Cleanroom Performance Testing (CPT) in cleanrooms, negative pressure rooms, and airborne infection isolation rooms, to ensure that the air conditioning systems within these rooms are working efficiently and in accordance with the specified standards. Prior to the CPT, all systems within the room must be completed through the Testing, Adjusting, and Balancing (TAB) process. The following is a list of testing and measuring procedures that will be performed

  • Airflow Volume Test to identify Air Change Rate
  • Filter Installation Leak Test
  • Room Pressurization Test
  • Airborne Particle Count Test
  • Temperature and Relative Humidity Test
  • Total Viable Bacterial Count and Total Viable Mould Count
  • Lighting Level Test
  • Sound Level Test
  • Room Recovery Test
  • Duct Leakage Test
  • Room Air Leakage Test


ISO 9001: 2015

NEBB Cleanroom
Performance Testing (CPT)

NEBB Testing & Adjust
and Balancing (TAB)

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