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NEN EN ISO 3740 : 2000

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES - GUIDELINES FOR THE USE OF BASIC STANDARDS
Withdrawn date

30-04-2019

Published date

12-01-2013

CONTENTS
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 Synopsis
6.4 Test environments
6.5 Measurement uncertainty
6.6 Procedure for selection
Annex A (normative) Synopsis 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
Bibliography

Specifies the use of a series of nine International Standards those describing various methods for determining the sound power levels from all types of machinery and equipment. It provides: - brief summaries of these basic International Standards - guidance on the selection of one or more of these standards which are appropriate to any particular type. the guidance given a plies only to airbone sound. It is for use in the preparation of noise test codes and also in noise testing where no specific noise test code exist.

DevelopmentNote
Supersedes NEN NPR ISO 3740. (10/2002)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Withdrawn
SupersededBy
Supersedes

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