S.R. CEN ISO/TS 7849-2:2022
Current
The latest, up-to-date edition.
Acoustics - Determination of airborne sound power levels emitted by machinery using vibration measurement - Part 2: Engineering method including determination of the adequate radiation factor (ISO/TS 7849-2:2009)
Hardcopy , PDF
English
06-03-2022
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Measuring instrumentation
6 Installation and operation of source under test
7 Determination of the vibratory velocity on the vibrating measurement surface
8 Determination of the machinery specific frequency band radiation factor
9 Calculations
10 Measurement uncertainty
11 Information to be recorded
Annex A (informative) Use of the vibration transducer
Annex B (normative) Procedures for calculating A-weighted sound power levels from octave band or one-third-octave band levels
Annex C (informative) Recommendations concerning the frequency bands of interest
Annex D (informative) Determination of the vibratory velocity level from the vibratory accelerationlevel
Annex E (informative) Guidance on the development of information on measurement uncertainty
Bibliography
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