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SSH EN ISO 11203:2004

Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level (ISO 11203:1995)

Jan 1, 2004
95.99 Withdrawal of Standard   Apr 28, 2010

General information

95.99     Apr 28, 2010

DPS

DPS/KT 211

European Norm

17.140.01  

English  

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Scope

This International Standard specifies two methods for determining the emission sound pressure levels of machinery and equipment, at a work station and at other specified positions nearby, by calculating from the sound power level. The principal purpose of this determination is to permit comparison of the performance of different units of a given family of machinery or equipment, under defined environmental conditions and standardized mounting and operating conditions. The data obtained may also be used for the declaration and verification of emissions sound pressure levels as specified in ISO 4871. Emission sound pressure levels are determined with the same frequency weighting, or in the same frequency bands, as those for which sound power levels have been determined. Note 1: The contents of this and related International Standards are summarized in table 1 of ISO 11200:1995. Note 2: At any position in relation to a particular machine, and for given mounting and operating conditions, the emission sound pressure levels determined by the method of this International Standard will in general be lower than the directly measured sound pressure levels for the same machine in the typical workroom where it is used. This is due to reverberation and the contributions of other machines. A method of calculating the sound pressure levels in the vicinity of a machine operating alone in a workroom is given in ISO 11690-3. Commonly observed differences are 1 dB to 5 dB, but in extreme cases the difference may be even greater.

Related directives

Directives related to this standards.

98/37/EC

Machinery

Harmonized
89/392/EEC

Machinery - Safety of machinery: general essential health and safety requirements

Harmonized

Life cycle

NOW

WITHDRAWN
SSH EN ISO 11203:2004
95.99 Withdrawal of Standard
Apr 28, 2010

REVISED BY

PUBLISHED
SSH EN ISO 11203:2009

Related project

Adopted from EN ISO 11203:1995