NEN EN ISO 11205 : 2009
Current
The latest, up-to-date edition.
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
01-12-2013
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 5 000 Hz
Annex C (normative) Procedure in case the measurement fails to
qualify
Annex D (informative) Example of a test table
Bibliography
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