I.S. EN ISO 3747:2010
Current
The latest, up-to-date edition.
ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - ENGINEERING/SURVEY METHODS FOR USE IN SITU IN A REVERBERANT ENVIRONMENT
Hardcopy , PDF
English
01-01-2010
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test environment
5 Instrumentation and measurement equipment
6 Location, installation and operation of noise source under
test
7 Measurement procedure
8 Calculation of sound power levels and sound energy levels
9 Measurement uncertainty
10 Information to be recorded
11 Test report
Annex A (normative) - Evaluation of the excess of sound pressure
level at a given distance
Annex B (informative) - Recommendations for the location of the
reference sound source and the microphones, if only one
position is used for the reference sound source
Annex C (normative) - Sound power level and sound energy level
under reference meteorological conditions
Annex D (normative) - Calculation of A-weighted sound power
levels and A-weighted sound energy levels from
octave-band levels
Annex E (informative) - Guidance on the development of
information on measurement uncertainty
Bibliography
Annex ZA (informative) - Relationship between this European
Standard and the Essential Requirements of EU Directive
2006/42/EC
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