PD 6609:2000

Committees responsible
Foreword
1 Scope
2 Measurement of pressure difference
3 Measurement of filter performance
4 Measurement of particulate contamination of
      microscopic sizing and counting
Annex A (informative) Reproduction from BS 5295-1:1989
                      (withdrawn) of Appendix B: Method of
                      test for the determination of pressure
                      differences
Annex B (informative) Reproduction from BS 5295-1:1989
                      (withdrawn) of Appendix C: Method of
                      test for the determination of filter
                      installation leaks
Annex C (informative) Reproduction from BS 5295-1:1989
                      (withdrawn) of Appendix F: Method of
                      test for the determination of
                      particulate contamination by
                      microscopic sizing and counting
Bibliography
Figure 1 - Diagrammatic representation of aerosol filter
           testing requirements of BS 5295-1:1989
           (withdrawn)
Figure 2 - Schematic diagram of aerosol challenge to air
           handling unit
Figure 3 - Typical aerosol output versus operating pressure
           of hot generated aerosol
Figure F2 - Calibration of the measuring eyepiece
Figure F3 - Reduced unit area