BS EN 13141-9:2008

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Performance testing of aerodynamic characteristics
   5.1 Aero and hygro-dynamic performance
       5.1.1 Principle
       5.1.2 Test installation, conditions and uncertainty of
              measurement
       5.1.3 Test procedure
       5.1.4 Analysis of results
       5.1.5 Test report
   5.2 Other tests
       5.2.1 Time response test
       5.2.2 Air tightness when closed (for closeable externally
              mounted air transfer device)
       5.2.3 Air diffusion in the occupied zone
       5.2.4 Sound insulation
Annex A (normative) - Calculation method for the temperature
        coefficient
   A.1 General
   A.2 Analysis
   A.3 Procedure
Bibliography

Defines laboratory methods for testing humidity controlled air inlets operating under pressure differences.

This European Standard specifies laboratory methods for testing humidity controlled air inlets operating under pressure differences. It applies to all devices located between one room and outside and controlled on indoor humidity. For instance, devices of the following types: humidity controlled devices with fixed setting; manually openable or closable humidity controlled devices; humidity controlled devices self-adjusting on pressure difference. It describes tests intended to characterise: aero and hygro-dynamic performance; air tightness when closed (for closable humidity controlled air inlet); air diffusion in the occupied zone; sound insulation; time response. This European Standard does not apply to the evaluation of air filtration, condensation risk and noise production.