BS EN ISO 7235:2009
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
30-04-2010
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Test facilities and requirements for instrumentation
6 Test procedures
7 Information to be recorded
8 Information to be reported
Annex A (normative) - Design of the sound field excitation
equipment and qualification tests
Annex B (normative) - Transmission element
Annex C (normative) - Duct walls and limiting insertion loss
Annex D (normative) - Conversion of one-third-octave-band
attenuation values to octave-band attenuation values
Annex E (normative) - Measurements on large parallel-baffle
silencers
Annex F (normative) - Test of longitudinal attenuation
Annex G (informative) - Anechoic terminations
Annex H (informative) - Examples of measurement arrangements
Bibliography
Annex ZA (informative) - Relationship between this European
Standard and the Essential Requirements of EU
Directive 98/37/EC
Annex ZB (informative) - Relationship between this European
Standard and the Essential Requirements of EU
Directive 2006/42/EC
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