EN ISO 3740:2000

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Determination and declaration of sound
   power levels
   4.1 Reasons for the determination of sound power levels
   4.2 Methodology
5 Noise declaration according to ISO 4871
6 Selection of the appropriate International standard
   for determination of sound power levels
   6.1 Quantities to be measured and determined
   6.2 Considerations affecting choice of method
   6.3 Synopses
   6.4 Test environments
   6.5 Measurement uncertainty
   6.6 Procedure for selection
Annex A (normative) Synopses of basic International
         Standards on sound power level determinations
Annex B (informative) Acoustical test environments
Annex C (informative) Factors affecting the choice
         of measurement method
Annex D (informative) Guidance on the choice of
         appropriate International Standard for determining
         the sound power level of a sound source
Annex ZA (normative) Normative references to international
         publications with their relevant European publications
Bibliography

Guidelines comprising a) brief explanations of the principles underlying the set of basic standards for measuring noise emitted by machines and equipment; b) assistance in the selection of the appropriate basic standard; c) general information on supplementing the basic standards with instructions concerning the installation and operating conditions for the particular type of machines or equipment; such instructions are usually incorporated in test codes.