Name: UNI EN ISO 11205 : 2009
Brand: UNI

ACOUSTICS - NOISE EMITTED BY MACHINERY AND EQUIPMENT - ENGINEERING METHOD FOR THE DETERMINATION OF EMISSION SOUND PRESSURE LEVELS IN SITU AT THE WORK STATION AND AT OTHER SPECIFIED POSITIONS USING SOUND INTENSITY

Published date

15-10-2009

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement uncertainty
5 Principle
6 Instrumentation
   6.1 General
   6.2 Calibration
7 Installation and operation of the source
   7.1 General
   7.2 Location of the machine
   7.3 Mounting of the machine
   7.4 Auxiliary equipment
   7.5 Operation of the machine under test
8 Test procedure
   8.1 Applicability
   8.2 Measurement time interval
   8.3 Measurements
   8.4 Wind and gas flows
   8.5 Criteria for qualification of the measurement
   8.6 Criterion for background noise
   8.7 Frequency range of measurements
   8.8 Evaluation of the measurement result
9 Information to be recorded
   9.1 General
   9.2 Machine under test
   9.3 Test conditions
   9.4 Acoustic environment
   9.5 Instrumentation
   9.6 Location of specified positions
   9.7 Noise data
10 Information to be reported
Annex A (normative) - Criterion for the adequacy of the
        direction of the sound intensity vector
Annex B (normative) - Procedure for frequencies higher
        than 5000 Hz
Annex C (normative) - Procedure in case the measurement
        fails to qualify
Annex D (informative) - Example of a test table
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
Bibliography

Describes an engineering method (grade 2 accuracy) to determine the emission sound pressure level of machines in situ, at the work station or at other specified positions, using sound intensity. It is an alternative to ISO 11201, ISO 11202 and ISO 11204 for in situ measurements.

Committee	CT 2
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current
Supersedes	UNI EN ISO 11205 : 2004

Standards	Relationship
EN ISO 11205:2009	Identical
NF EN ISO 11205 : 2009	Identical
NBN EN ISO 11205 : 2009	Identical
I.S. EN ISO 11205:2009	Identical
ISO 11205:2003	Identical
BS EN ISO 11205:2009	Identical
DIN EN ISO 11205:2009-12	Identical
NEN EN ISO 11205 : 2009	Identical
UNE-EN ISO 11205:2010	Identical
NS EN ISO 11205 : 2009	Identical
SN EN ISO 11205 : 2010	Identical

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 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 12001:1996	Acoustics Noise emitted by machinery and equipment Rules for the drafting and presentation of a noise test code
ISO/IEC Guide 98:1993	Guide to the expression of uncertainty in measurement (GUM)
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
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
ISO 11203:1995	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 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 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