DIN EN ISO 3745:2017-10
Current
The latest, up-to-date edition.
ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC ROOMS AND HEMI-ANECHOIC ROOMS (ISO 3745:2012 + AMD 1:2017)
Hardcopy , PDF
English
01-10-2017
National foreword
National Annex NA (informative) - Bibliography
European foreword
European foreword to Amendment 1
Foreword to Amendment 1
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Reference meteorological conditions
5 Test rms
6 Instrumentation
7 Definition, location, installation and operation of noise
source under test
8 Measurement surface
9 Determination of sound power levels and sound energy levels
10 Measurement uncertainty
11 Information to be recorded
12 Test report
Annex A (normative) - General procedures for qualification
of anechoic and hemi-anechoic rooms
Annex B (normative) - Qualification procedure for spaces
within test rooms used in the determination of sound
power levels and sound energy levels of specific noise
sources
Annex C (normative) - Calculation of A-weighted sound
power levels and A-weighted sound energy levels from
one-third-octave band levels
Annex D (normative) - Array of microphone positions on a
spherical measurement surface in a free field
Annex E (normative) - Arrays of microphone positions on a
hemispherical measurement surface in a hemi-free field
Annex F (normative) - Coaxial circular paths of microphones
on a hemispherical measurement surface in a hemi-free
field
Annex G (normative) - Meridional paths of microphones on
a hemispherical measurement surface in a hemi-free field
Annex H (normative) - Spiral paths of microphones on a
hemispherical measurement surface in a hemifree field
Annex I (informative) - Guidance on the development of
information on measurement uncertainty
Annex ZA (informative) - Relationship between this European
Standard and the Essential Requirements of
EU Directive 2006/42/EC
Bibliography
Defines methods for measuring the sound pressure levels on a measurement surface enveloping a noise source (machinery or equipment) in an anechoic room or a hemi-anechoic room.
| DevelopmentNote |
Partially supersedes DIN 45635-1 E. (10/2004)
|
| DocumentType |
Standard
|
| Pages |
75
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Current
|
| Standards | Relationship |
| ISO 3745:2012 | Identical |
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