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  • ISO 9614-3:2002

    Current The latest, up-to-date edition.

    Acoustics Determination of sound power levels of noise sources using sound intensity Part 3: Precision method for measurement by scanning

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English, French

    Published date:  22-10-2002

    Publisher:  International Organization for Standardization

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    Abstract - (Show below) - (Hide below)

    ISO 9614-3:2002 specifies a method for measuring the component of sound intensity normal to a measurement surface which is chosen so as to enclose the sound source(s) of which the sound power level is to be determined.

    Surface integration of the intensity component normal to the measurement surface is approximated by subdividing the measurement surface into contiguous partial surfaces, and scanning the intensity probe over each partial surface along a continuous path which covers the extent of the partial surface. The measurement instrument determines the averaged normal intensity component and averaged squared sound pressure over the duration of each scan. The scanning operation can be performed either manually or by means of a mechanical system.

    The octave band or band-limited weighted sound power level is calculated from the measured one-third-octave- band values. The method is applicable to any source for which a physically stationary measurement surface can be defined, and on which the sound generated by the source under test and by other significant extraneous sources are stationary in time. The source is defined by the choice of measurement surface. The method is applicable in specific test environments fulfilling all relevant requirements of ISO 9614-3.

    ISO 9614-3 specifies certain ancillary procedures, described in annex C, to be followed in conjunction with the sound power determination. The results are used to indicate the quality of the determination, and hence the grade of accuracy. If the quality of the determination does not meet the requirements of ISO 9614-3, the test procedure shall be modified in the manner indicated.

    ISO 9614-3 is not applicable to any frequency band in which the sound power of the source is found to be negative on measurement.

    It is applicable to sources situated in any environment which is neither so variable over time as to reduce the accuracy of the measurement of sound intensity to an unacceptable degree, nor subjects the intensity measurement probe to gas flows of unacceptable speed or unsteadiness.

    In some cases it will be found that the test conditions are too adverse to allow the requirements of ISO 9614-3 to be met. For example, extraneous noise levels can exceed the dynamic capability of the measuring instrument or can vary to an excessive degree during the test. In such cases the method given in ISO 9614-3 is not suitable for the determination of the sound power level of the source.

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    Development Note Supersedes ISO/DIS 9614-3 (10/2002)
    Document Type Standard
    Publisher International Organization for Standardization
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    09/30179854 DC : 0 BS EN 13114:2002/A1 - TANNERY MACHINES - ROTATING PROCESS VESSELS - SAFETY REQUIREMENTS
    UNE-EN ISO 17201-3:2010 Acoustics - Noise from shooting ranges - Part 3: Guidelines for sound propagation calculations (ISO 17201-3:2010)
    EN ISO 11202:2010 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections (ISO 11202:2010)
    PREN ISO 11200 : DRAFT 2012 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - GUIDELINES FOR THE USE OF BASIC STANDARDS FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS (ISO/DIS 11200:2012)
    DIN EN ISO 15186-2:2010-12 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Part 2: Field measurements (ISO 15186-2:2003)
    EEMUA 140 : 2014 NOISE PROCEDURE SPECIFICATION
    I.S. EN 62109-1:2010 SAFETY OF POWER CONVERTERS FOR USE IN PHOTOVOLTAIC POWER SYSTEMS - PART 1: GENERAL REQUIREMENTS
    ISO 16902-1:2003 Hydraulic fluid power Test code for the determination of sound power levels of pumps using sound intensity techniques: Engineering method Part 1: Pumps
    I.S. EN 12102:2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS AND DEHUMIDIFIERS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - MEASUREMENT OF AIRBORNE NOISE - DETERMINATION OF THE SOUND POWER LEVEL
    UNE-EN 13141-11:2015 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 11: Supply ventilation units
    BS EN ISO 17201-1:2005 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 1: DETERMINATION OF MUZZLE BLAST BY MEASUREMENT
    UNI EN 12102 : 2014 AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS AND DEHUMIDIFIERS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - MEASUREMENT OF AIRBORNE NOISE - DETERMINATION OF THE SOUND POWER LEVEL
    DIN EN 15036-1:2006-12 Heating boilers - Test regulations for airborne noise emissions from heat generators - Part 1: Airborne noise emissions from heat generators
    DIN EN ISO 11200:2014-10 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - GUIDELINES FOR THE USE OF BASIC STANDARDS FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS (ISO 11200:2014)
    UNE-EN ISO 11200:2014 Acoustics - Noise emitted by machinery and equipment - Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions (ISO 11200:2014)
    ISO 3746:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane
    BS EN ISO 11201:2010 Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
    EN 13141-11:2015 Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 11: Supply ventilation units
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    EN 13112:2002+A1:2009 Tannery machines - Splitting and bandknife shearing machines - Safety requirements
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    ONORM EN 16583 : 2015 HEAT EXCHANGERS - HYDRONIC ROOM FAN COILS UNITS - DETERMINATION OF THE SOUND POWER LEVEL
    01/562316 DC : DRAFT JULY 2001 BS EN ISO 7235 ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR-TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS
    04/30122794 DC : DRAFT SEP 2004 EN 15036-1 - HEATING BOILERS - TEST REGULATIONS FOR AIRBORNE NOISE EMISSIONS FROM HEAT GENERATORS - PART 1: AIRBORNE NOISE EMISSIONS FROM HEAT GENERATORS AT PLACE OF INSTALLATION
    DIN EN ISO 11201:2010-10 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201:2010)
    DIN EN 13141-11 E : 2015 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 11: SUPPLY VENTILATION UNITS
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    12/30271386 DC : 0 BS EN 12102 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS AND DEHUMIDIFIERS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - MEASUREMENT OF AIRBORNE NOISE - DETERMINATION OF THE SOUND POWER LEVEL
    DIN EN 16583:2015-10 Heat exchangers - Hydronic room fan coils units - Determination of the sound power level
    07/30094858 DC : 0 BS ISO 3747 - 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
    PREN 13053 : DRAFT 2017 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
    BS EN ISO 17201-3:2010 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 3: GUIDELINES FOR SOUND PROPAGATION CALCULATIONS
    BS ISO 15186-2 : 2003 ACOUSTICS - MEASUREMENT OF SOUND INSULATION IN BUILDINGS AND OF BUILDING ELEMENTS USING SOUND INTENSITY - PART 2: FIELD MEASUREMENTS
    ANSI/ASA S12.54/ISO 3744 : 2011(R2016) 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
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    I.S. EN 16583:2015 HEAT EXCHANGERS - HYDRONIC ROOM FAN COILS UNITS - DETERMINATION OF THE SOUND POWER LEVEL
    TS 100 392-16 : 1.2.1 TERRESTRIAL TRUNKED RADIO (TETRA); VOICE PLUS DATA (V+D); PART 16: NETWORK PERFORMANCE METRICS
    EN ISO 3746:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:2010)
    I.S. EN 13053:2006 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
    DIN EN 13114:2010-03 Tannery machines - Rotating process vessels - Safety requirements (includes Amendment A1:2009)
    DIN EN 13112:2011-03 Tannery machines - Splitting and bandknife shearing machines - Safety requirements (includes Amendment A1:2009)
    BS 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
    UNE-EN 12547:2015 Centrifuges - Common safety requirements
    I.S. EN 13114:2002 TANNERY MACHINES - ROTATING PROCESS VESSELS - SAFETY REQUIREMENTS
    I.S. EN ISO 3747:2010 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
    I.S. EN 13113:2002 TANNERY MACHINES - ROLLER COATING MACHINES - SAFETY REQUIREMENTS
    I.S. EN ISO 7235:2009 ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR-TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS
    I.S. EN ISO 3743-1:2010 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - ENGINEERING METHODS FOR SMALL MOVABLE SOURCES IN REVERBERANT FIELDS - PART 1: COMPARISON METHOD FOR A HARD-WALLED TEST ROOM
    I.S. EN ISO 6926:2016 ACOUSTICS - REQUIREMENTS FOR THE PERFORMANCE AND CALIBRATION OF REFERENCE SOUND SOURCES USED FOR THE DETERMINATION OF SOUND POWER LEVELS (ISO 6926:2016)
    I.S. EN ISO 3745:2012 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)
    I.S. EN ISO 11204:2010 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS APPLYING ACCURATE ENVIRONMENTAL CORRECTIONS
    DIN EN ISO 11200:1996-07 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - GUIDELINES FOR THE USE OF BASIC STANDARDS FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS (ISO 11200:2014)
    DIN EN 13053:2012-02 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS (INCLUDES AMENDMENT A1:2011)
    I.S. 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
    I.S. EN ISO 1680:2013 ACOUSTICS - TEST CODE FOR THE MEASUREMENT OF AIRBORNE NOISE EMITTED BY ROTATING ELECTRICAL MACHINES (ISO 1680:2013)
    EN ISO 6926:2016 Acoustics - Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels (ISO 6926:2016)
    I.S. 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
    I.S. EN 12547:2014 CENTRIFUGES - COMMON SAFETY REQUIREMENTS
    I.S. EN 13112:2002 TANNERY MACHINES - SPLITTING AND BANDKNIFE SHEARING MACHINES - SAFETY REQUIREMENTS
    I.S. EN ISO 11202:2010 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS APPLYING APPROXIMATE ENVIRONMENTAL CORRECTIONS
    I.S. EN ISO 11201:2010 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS IN AN ESSENTIALLY FREE FIELD OVER A REFLECTING PLANE WITH NEGLIGIBLE ENVIRONMENTAL CORRECTIONS
    I.S. EN ISO 3746:2010 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - SURVEY METHOD USING AN ENVELOPING MEASUREMENT SURFACE OVER A REFLECTING PLANE
    DIN EN ISO 7235:2010-01 Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
    10/30094845 DC : 0 BS ISO 3745 - ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC TEST ROOMS AND HEMI-ANECHOIC TEST ROOMS
    ISO 11204:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections
    17/30309708 DC : 0 BS EN ISO 3740 - ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES - GUIDELINES FOR THE USE OF BASIC STANDARDS
    16/30345760 DC : 0 BS EN 12102-2 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS AND DEHUMIDIFIERS WITH ELECTRICALLY DRIVEN COMPRESSORS - DETERMINATION OF THE SOUND POWER LEVEL - PART 2: HEAT PUMP WATER HEATERS
    09/30179845 DC : 0 BS EN 13112:2002/A1 - TANNERY MACHINES - SPLITTING AND BANDKNIFE SHEARING MACHINES - SAFETY
    DIN EN 13141-11:2015-07 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 11: SUPPLY VENTILATION UNITS
    ANSI/ASA S12.53 PART 1 : 2011(R2016) ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - ENGINEERING METHODS FOR SMALL MOVABLE SOURCES IN REVERBERANT FIELDS - PART 1: COMPARISON METHOD FOR A HARD-WALLED TEST ROOM
    ANSI S12.53/1 : 2011 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - ENGINEERING METHODS FOR SMALL MOVABLE SOURCES IN REVERBERANT FIELDS - PART 1: COMPARISON METHOD FOR A HARD-WALLED TEST ROOM
    ISO 17201-3:2010 Acoustics Noise from shooting ranges Part 3: Guidelines for sound propagation calculations
    ANSI S12.57 : 2011 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
    PREN 12102 : DRAFT 2012 AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS AND DEHUMIDIFIERS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - MEASUREMENT OF AIRBORNE NOISE - DETERMINATION OF THE SOUND POWER LEVEL
    ISO 17201-1:2005 Acoustics Noise from shooting ranges Part 1: Determination of muzzle blast by measurement
    DIN EN 12547:2014-12 CENTRIFUGES - COMMON SAFETY REQUIREMENTS
    DIN EN ISO 6926:2016-08 Acoustics - Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels (ISO 6926:2016)
    DIN EN 13113:2011-05 Tannery machines - Roller coating machines - Safety requirements (includes Amendment A1:2010)
    DIN EN ISO 1680:2014-04 ACOUSTICS - TEST CODE FOR THE MEASUREMENT OF AIRBORNE NOISE EMITTED BY ROTATING ELECTRICAL MACHINES (ISO 1680:2013)
    DIN EN ISO 3747:2011-03 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 (ISO 3747:2010)
    UNI EN ISO 11202 : 2010 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORKSTATION AND AT OTHER SPECIFIED POSITIONS APPLYING APPROXIMATE ENVIRONMENTAL CORRECTIONS
    DIN EN ISO 3741:2011-01 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)
    ISO 6926:2016 Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
    UNE-EN 62109-1:2011 Safety of power converters for use in photovoltaic power systems -- Part 1: General requirements
    ISO 3745:2012 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 3747:2010 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
    BS EN 13053 : 2006 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
    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
    UNE-EN ISO 6926:2016 Acoustics - Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels (ISO 6926:2016)
    ONORM EN ISO 11200 : 2014 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - GUIDELINES FOR THE USE OF BASIC STANDARDS FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS (ISO 11200:2014)
    UNI 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
    UNI EN 13113 : 2010 TANNERY MACHINES - ROLLER COATING MACHINES - SAFETY REQUIREMENTS
    UNI EN ISO 11204 : 2010 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORKSTATION AND AT OTHER SPECIFIED POSITIONS APPLYING ACCURATE ENVIRONMENTAL CORRECTIONS
    UNI EN 12547 : 2014 CENTRIFUGES - COMMON SAFETY REQUIREMENTS
    UNI EN ISO 11201 : 2010 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
    UNI EN ISO 7235 : 2009 ACOUSTICS - LABORATORY MEASUREMENT PROCEDURES FOR DUCTED SILENCERS AND AIR- TERMINAL UNITS - INSERTION LOSS, FLOW NOISE AND TOTAL PRESSURE LOSS
    UNI EN 13112 : 2010 TANNERY MACHINES - SPLITTING AND BANDKNIFE SHEARING MACHINES - SAFETY REQUIREMENTS
    UNI EN ISO 3746 : 2011 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - SURVEY METHOD USING AN ENVELOPING MEASUREMENT SURFACE OVER A REFLECTING PLANE
    UNI EN ISO 3747 : 2011 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
    UNI 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
    UNI EN ISO 3743-1 : 2010 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - ENGINEERING METHODS FOR SMALL MOVABLE SOURCES IN REVERBERANT FIELDS - PART 1: COMPARISON METHOD FOR A HARD-WALLED TEST ROOM
    UNI EN ISO 1680 : 2014 ACOUSTICS - TEST CODE FOR THE MEASUREMENT OF AIRBORNE NOISE EMITTED BY ROTATING ELECTRICAL MACHINES
    UNI EN 13114 : 2010 TANNERY MACHINES - ROTATING PROCESS VESSELS - SAFETY REQUIREMENTS
    14/30275192 DC : 0 BS EN ISO 6926 - ACOUSTICS - REQUIREMENTS FOR THE PERFORMANCE AND CALIBRATION OF REFERENCE SOUND SOURCES USED FOR THE DETERMINATION OF SOUND POWER LEVELS
    DIN EN ISO 11202:2010-10 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections (ISO 11202:2010)
    PREN 13487 : DRAFT 2017 HEAT EXCHANGER - FORCED CONVECTION AIR COOLED REFRIGERANT CONDENSERS AND DRY COOLERS - SOUND MEASUREMENT
    BS EN 13141-11:2015 (published 2015-05) Ventilation for buildings. Performance testing of components/products for residential ventilation Supply ventilation units
    12/30240135 DC : 0 BS ISO 11200 - ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - GUIDELINES FOR THE USE OF BASIC STANDARDS FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS
    DIN EN ISO 3744:2011-02 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)
    17/30356046 DC : DRAFT AUG 2017 BS EN ISO 17201-1 - ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 1: DETERMINATION OF MUZZLE BLAST BY MEASUREMENT
    17/30356590 DC : DRAFT AUG 2017 BS ISO 10494 - TURBINES AND TURBINE SETS - MEASUREMENT OF EMITTED AIRBORNE NOISE - ENGINEERING/SURVEY METHOD
    CSA Z107.58 : 2015 NOISE EMISSION DECLARATIONS FOR MACHINERY
    BS EN 12102:2013 Air conditioners, liquid chilling packages, heat pumps and dehumidifiers with electrically driven compressors for space heating and cooling. Measurement of airborne noise. Determination of the sound power level
    BS EN ISO 15186-2:2010 Acoustics. Measurement of sound insulation in buildings and of building elements using sound intensity Field measurements
    14/30303313 DC : 0 PD 5304 - GUIDANCE ON SAFE USE OF MACHINERY
    ANSI S12-5:2006 ACOUSTICS - REQUIREMENTS FOR THE PERFORMANCE AND CALIBRATION OF REFERENCE SOUND SOURCES USED FOR THE DETERMINATION OF SOUND POWER LEVELS
    ANSI S12-5 : 2006 : R2011 ACOUSTICS - REQUIREMENTS FOR THE PERFORMANCE AND CALIBRATION OF REFERENCE SOUND SOURCES USED FOR THE DETERMINATION OF SOUND POWER LEVELS
    UNI EN ISO 15186-2 : 2010 ACOUSTICS - MEASUREMENT OF SOUND INSULATION IN BUILDINGS AND OF BUILDING ELEMENTS USING SOUND INTENSITY - PART 2: FIELD MEASUREMENTS
    BS EN 16583:2015 Heat exchangers. Hydronic room fan coils units. Determination of the sound power level
    ISO 10494:1993 Gas turbines and gas turbine sets Measurement of emitted airborne noise Engineering/survey method
    DIN EN ISO 17201-3:2010-06 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 3: GUIDELINES FOR SOUND PROPAGATION CALCULATIONS
    DIN EN ISO 11204:2010-10 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS APPLYING ACCURATE ENVIRONMENTAL CORRECTIONS
    UNI EN ISO 17201-3 : 2010 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 3: GUIDELINES FOR SOUND PROPAGATION CALCULATIONS
    I.S. EN ISO 15186-2:2010 ACOUSTICS - MEASUREMENT OF SOUND INSULATION IN BUILDINGS AND OF BUILDING ELEMENTS USING SOUND INTENSITY - PART 2: FIELD MEASUREMENTS
    PREN 12547 : DRAFT 2011 CENTRIFUGES - COMMON SAFETY REQUIREMENTS
    17/30339487 DC : 0 BS EN 13053 - VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
    EN ISO 17201-1:2005/AC:2009 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 1: DETERMINATION OF MUZZLE BLAST BY MEASUREMENT
    17/30361327 DC : 0 BS EN 13487 - HEAT EXCHANGER - FORCED CONVECTION AIR COOLED REFRIGERANT CONDENSERS AND DRY COOLERS - SOUND MEASUREMENT
    ISO 10843:1997 Acoustics Methods for the description and physical measurement of single impulses or series of impulses
    EN ISO 17201-3:2010 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 3: GUIDELINES FOR SOUND PROPAGATION CALCULATIONS
    DIN EN ISO 3743-1:2011-01 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 1: Comparison method for a hard-walled test room (ISO 3743-1:2010)
    EN ISO 11200:2014 Acoustics - Noise emitted by machinery and equipment - Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions (ISO 11200:2014)
    I.S. EN ISO 11200:2014 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - GUIDELINES FOR THE USE OF BASIC STANDARDS FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS (ISO/DIS 11200:2012)
    IEC 62109-1:2010 Safety of power converters for use in photovoltaic power systems - Part 1: General requirements
    BS EN ISO 1680:2013 ACOUSTICS - TEST CODE FOR THE MEASUREMENT OF AIRBORNE NOISE EMITTED BY ROTATING ELECTRICAL MACHINES
    BS EN 12547:2014 CENTRIFUGES - COMMON SAFETY REQUIREMENTS
    BS EN 15036-1:2006 HEATING BOILERS - TEST REGULATIONS FOR AIRBORNE NOISE EMISSIONS FROM HEAT GENERATORS - PART 1: AIRBORNE NOISE EMISSIONS FROM HEAT GENERATORS
    ISO 3743-1:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for small movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room
    BS EN ISO 6926:2016 Acoustics. Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
    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 11202:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections
    BS EN 13112 : 2002 TANNERY MACHINES - SPLITTING AND BANDKNIFE SHEARING MACHINES - SAFETY REQUIREMENTS
    UNI EN ISO 11200 : 2014 ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - GUIDELINES FOR THE USE OF BASIC STANDARDS FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS
    BS EN 62109-1:2010 Safety of power converters for use in photovoltaic power systems General requirements
    ISO 11200:2014 Acoustics Noise emitted by machinery and equipment Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions
    UNI EN 13053 : 2011 VENTILATION FOR BUILDINGS - AIR HANDLING UNITS - RATING AND PERFORMANCE FOR UNITS, COMPONENTS AND SECTIONS
    UNE-EN ISO 7235:2010 Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
    ISO 1680:2013 Acoustics — Test code for the measurement of airborne noise emitted by rotating electrical machines
    ISO 7235:2003 Acoustics Laboratory measurement procedures for ducted silencers and air-terminal units Insertion loss, flow noise and total pressure loss
    UNE-EN ISO 3744:2011 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)
    ISO 10442:2002 Petroleum, chemical and gas service industries Packaged, integrally geared centrifugal air compressors
    BS EN ISO 3746:2009 Acoustics. Determination of sound power levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane
    BS EN ISO 3743-1:2009 Acoustics. Determination of sound power levels of noise sources. Engineering methods for small, movable sources in reverberant fields Comparison method for hard-walled test rooms
    UNE-EN ISO 3743-1:2011 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small movable sources in reverberant fields - Part 1: Comparison method for a hard-walled test room (ISO 3743-1:2010)
    BS EN 13114 : 2002 TANNERY MACHINES - ROTATING PROCESS VESSELS - SAFETY REQUIREMENTS
    BS EN ISO 3747:2010 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
    BS EN ISO 11204:2010 Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections
    BS EN ISO 11200:2014 Acoustics. Noise emitted by machinery and equipment. Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions
    BS EN 13113 : 2002 TANNERY MACHINES - ROLLER COATING MACHINES - SAFETY REQUIREMENTS
    UNE-EN ISO 3741:2011 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 62109-1 : 2010 SAFETY OF POWER CONVERTERS FOR USE IN PHOTOVOLTAIC POWER SYSTEMS - PART 1: GENERAL REQUIREMENTS
    EN ISO 3745:2012/A1:2017 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)
    EN ISO 3743-1:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small movable sources in reverberant fields - Part 1: Comparison method for a hard-walled test room (ISO 3743-1:2010)
    EN ISO 11201:2010 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201:2010)
    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 1680:2013 Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machines (ISO 1680:2013)
    EN 16583:2015 Heat exchangers - Hydronic room fan coils units - Determination of the sound power level
    EN ISO 7235:2009 Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss (ISO 7235:2003)
    EN ISO 15186-2:2010 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Part 2: Field measurements (ISO 15186-2:2003)
    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 3747:2010 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 (ISO 3747:2010)
    EN 15036-1:2006 Heating boilers - Test regulations for airborne noise emissions from heat generators - Part 1: Airborne noise emissions from heat generators
    EN ISO 11204:2010 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections (ISO 11204:2010)
    11/30254129 DC : 0 BS EN 12547 - CENTRIFUGES - COMMON SAFETY REQUIREMENTS
    ISO/TR 18569:2004 Safety of machinery Guidelines for the understanding and use of safety of machinery standards
    DIN EN ISO 3745:2012-07 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)
    BS ISO 16902-1:2003 HYDRAULIC FLUID POWER - TEST CODE FOR THE DETERMINATION OF SOUND POWER LEVELS OF PUMPS USING SOUND INTENSITY TECHNIQUES: ENGINEERING METHOD - PART 1: PUMPS
    I.S. EN ISO 17201-3:2010 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 3: GUIDELINES FOR SOUND PROPAGATION CALCULATIONS
    CSA C22.2 No. 62109-1 : 2016 SAFETY OF POWER CONVERTERS FOR USE IN PHOTOVOLTAIC POWER SYSTEMS - PART 1: GENERAL REQUIREMENTS
    DIN EN ISO 3746:2011-03 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:2010)
    I.S. EN 13141-11:2015 VENTILATION FOR BUILDINGS - PERFORMANCE TESTING OF COMPONENTS/PRODUCTS FOR RESIDENTIAL VENTILATION - PART 11: SUPPLY VENTILATION UNITS
    UNE-EN ISO 15186-2:2011 Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Part 2: Field measurements (ISO 15186-2:2003)
    I.S. EN ISO 17201-1:2005 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 1: DETERMINATION OF MUZZLE BLAST BY MEASUREMENT
    ANSI S12.51:2012 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR REVERBERATION TEST ROOMS
    ANSI S12.54:2011 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
    ANSI/ASA S12.57 : 2011(R2016) 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
    ANSI S12.55 : 2012 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
    ANSI S12.51 : 2012 : R2017 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR REVERBERATION TEST ROOMS
    ANSI/ASA S12.56/ISO 3746 : 2011(R2016) ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - SURVEY METHOD USING AN ENVELOPING MEASUREMENT SURFACE OVER A REFLECTING PLANE
    ANSI S12.56 : 2011 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - SURVEY METHOD USING AN ENVELOPING MEASUREMENT SURFACE OVER A REFLECTING PLANE
    UNI EN ISO 17201-1 : 2006 ACOUSTICS - NOISE FROM SHOOTING RANGES - PART 1: DETERMINATION OF MUZZLE BLAST BY MEASUREMENT
    EN 13053:2006+A1:2011 Ventilation for buildings - Air handling units - Rating and performance for units, components and sections
    UNE-EN ISO 11201:2010 Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Engineering method in an essentially free field over a reflecting plane (ISO 11201:1995, including Cor 1:1997)
    PD ISO/TR 18569:2004 Safety of machinery. Guidelines for the understanding and use of safety of machinery standards.
    ISO 15186-2:2003 Acoustics Measurement of sound insulation in buildings and of building elements using sound intensity Part 2: Field measurements
    BS EN ISO 11202:2010 Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections
    BS EN ISO 3745 : 2012 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 11201:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
    DIN EN 12102:2013-10 AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS AND DEHUMIDIFIERS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - MEASUREMENT OF AIRBORNE NOISE - DETERMINATION OF THE SOUND POWER LEVEL
    DIN EN ISO 3745:2017-10 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)

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    AS 5339:2019 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
    ISO 12001:1996 Acoustics Noise emitted by machinery and equipment Rules for the drafting and presentation of a noise test code
    AS 5337:2019 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane
    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 3743-2:1994 Acoustics Determination of sound power levels of noise sources using sound pressure Engineering methods for small, movable sources in reverberant fields Part 2: Methods for special reverberation test rooms
    ISO 7574-4:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 4: Methods for stated values for batches of machines
    ISO 9614-1:1993 Acoustics Determination of sound power levels of noise sources using sound intensity Part 1: Measurement at discrete points
    IEC 60942:2003 Electroacoustics - Sound calibrators
    IEC 61043:1993 Electroacoustics - Instruments for the measurement of sound intensity - Measurements with pairs of pressure sensing microphones
    AS 5336:2019 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 3747:2010 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
    AS 5335:2019 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 3740:2000 Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards
    ISO 9614-2:1996 Acoustics Determination of sound power levels of noise sources using sound intensity Part 2: Measurement by scanning
    ISO 7574-1:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 1: General considerations and definitions
    2006/42/EC : 2006 AMD 4 2014 DIRECTIVE 2006/42/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 17 MAY 2006 ON MACHINERY, AND AMENDING DIRECTIVE 95/16/EC (RECAST) (TEXT WITH EEA RELEVANCE)
    ISO 3746:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane
    AS 5333.1:2019 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for small movable sources in reverberant fields Comparison method for a hard-walled test room
    ISO/TR 7849:1987 Acoustics Estimation of airborne noise emitted by machinery using vibration measurement
    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 3745:2012 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
    1998/37/EC : 1998 DIRECTIVE 98/37/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 22 JUNE 1998 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES RELATING TO MACHINERY
    IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
    IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters
    AS 5332:2019 Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
    ISO 3743-1:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for small movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room
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