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I.S. EN 13487:2004

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

HEAT EXCHANGERS - FORCED CONVECTION AIR COOLED REFRIGERANT CONDENSERS AND DRY COOLERS - SOUND MEASUREMENT
Available format(s)

Hardcopy , PDF

Superseded date

08-30-2019

Language(s)

English

Published date

01-01-2004

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Instrumentation
5 Manufacturer's data
6 Test conditions
   6.1 Test methods
   6.2 Operating condition of the test subject
   6.3 Ambient condition
   6.4 Arrangement of measuring points
       6.4.1 General
       6.4.2 Apparatus with vertical air throw and draw
             through arrangement
       6.4.3 Apparatus with horizontal air throw and draw
             through arrangement
       6.4.4 Special apparatus
7 Test procedures
   7.1 Measurement of sound pressure/intensity levels
   7.2 Measurement of the background noise
   7.3 Data to be recorded
8 Calculations
   8.1 Correction value for the background noise
   8.2 Correction value for the influence of the ambient
   8.3 Calculation of sound data
       8.3.1 A-weighted sound power level
       8.3.2 Average sound pressure level on the partial
             measuring areas a to e
       8.3.3 Sound power level of the test subject
9 Conversion to nominal fan speed
10 Test report
Annex A (normative) Positions of measuring points
        for vertical air throw
  A.1 Example with one fan
  A.2 Example with six fans
Annex B (normative) Positions of measuring points for
        horizontal air throw
  B.1 Example with one fan
  B.2 Example with six fans
Annex C (normative) Standard method for calculating the
        sound pressure level
Annex D (normative) Deviations from the test subject
  D.1 Model ranges composed of modules
  D.2 Dimensions of the heat exchanger coil
Annex E (informative) Directivity
  E.1 General
  E.2 Definition
  E.3 Calculation of the directivity number
Bibliography

Provides methods for uniform assessment and the recording of: - the A-weighted sound power level; - the sound power spectrum; - a calculation method for an overall average sound pressure level at a given distance.

DocumentType
Standard
Pages
22
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
UNE-EN 13487:2004 Identical
DIN EN 13487:2004-03 Identical
UNI EN 13487 : 2004 Identical
NS EN 13487 : 1ED 2004 Identical
NEN EN 13487 : 2004 Identical
BS EN 13487:2003 Identical
NBN EN 13487 : 2004 Identical
NF EN 13487 : 2004 Identical
SN EN 13487 : 2004 Identical
ONORM EN 13487 : 2004 Identical
EN 13487 : 2003 Identical

EN 327:2014 Heat exchangers - Forced convection air cooled refrigerant condensers - Test procedures for establishing performance
EN 61672-2:2013/A1:2017 ELECTROACOUSTICS - SOUND LEVEL METERS - PART 2: PATTERN EVALUATION TESTS (IEC 61672-2:2013/A1:2017)
EN 1048:2014 Heat exchangers - Air cooled liquid coolers ('dry coolers') - Test procedures for establishing the performance
EN ISO 3741:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms (ISO 3741:2010)
EN ISO 12001:2009 Acoustics - Noise emitted by machinery and equipment - Rules for the drafting and presentation of a noise test code (ISO 12001:1996)
EN 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications
EN ISO 3744:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
EN ISO 3740:2000 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES - GUIDELINES FOR THE USE OF BASIC STANDARDS
EN ISO 9614-1:2009 Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 1: Measurement at discrete points (ISO 9614-1:1993)
EN ISO 11203:2009 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level (ISO 11203:1995)

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