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  • BSI
    BS EN ISO 3740:2019 Acoustics. Determination of sound power levels of noise sources. Guidelines for the use of basic standards
    Edition: 2019
    $473.45
    / user per year

Description of BS EN ISO 3740:2019 2019

This document gives guidance for the use of a set of twelve basic International Standards (see Tables 1, 2 and 3) describing various methods for determining sound power levels from all types of machinery, equipment and products. It provides guidance on the selection of one or more of these standards, appropriate to any particular type of sound source, measurement environment and desired accuracy. The guidance given applies to airborne sound. It is for use in the preparation of noise test codes (see ISO 12001) and also in noise emission testing where no specific noise test code exists. Such standardized noise test codes can recommend the application of particular basic International Standard(s) and give detailed requirements on mounting and operating conditions for a particular family to which the machine under test belongs, in accordance with general principles given in the basic standards.

This document is not intended to replace any of the details of, or add any additional requirements to, the individual test methods in the basic International Standards referenced.

NOTE 1 Two quantities which complement each other can be used to describe the noise emission of machinery, equipment and products. One is the emission sound pressure level at a specified position and the other is the sound power level. The International Standards which describe the basic methods for determining emission sound pressure levels at work stations and at other specified positions are ISO 11200 to ISO 11205 (References [20] to [25]).

NOTE 2 The sound energy level mentioned in ISO 3741 to ISO 3747 is not addressed in this document as it is not mentioned in any legal requirement. Its application is limited to very special cases of a single burst of sound energy or transient sound defined in ISO 12001.



Standard NumberBS EN ISO 3740:2019
TitleAcoustics. Determination of sound power levels of noise sources. Guidelines for the use of basic standards
StatusDefinitive
Publication Date2019-04-10
ReplacesBS EN ISO 3740:2001
Identical National Standard OfFprEN ISO 3740, ISO 3740:2019
DescriptorsNoise (environmental), Production equipment, Sound intensity, Acoustic measurement, Acoustic testing
ICS17.140.01 Acoustic measurements and noise abatement in general, 17.140.20 Noise emitted by machines and equipment
CommitteeEH/1/4
ISBN978 0 580 87384 3
PublisherBSI
Pages46

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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