Hivatkozási szám

MSZ EN ISO 11201:2010

Dokumentumazonosító

150290

Cím

Akusztika. Gépek és berendezések által kibocsátott zaj. A kibocsátási hangnyomásszintek mérése a munkahelyen és más meghatározott helyzetekben, lényegében hangvisszaverő sík feletti szabad hangtérben (ISO 11201:2010)

Angol cím

Acoustics. Noise emitted by machinery and equipment. Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201:2010)

Alkalmazási terület

ISO 11201:2010 specifies a method for determining the emission sound pressure levels of machinery or equipment, at a work station and at other specified positions nearby, in an essentially free field over a reflecting plane. A work station is occupied by an operator and may be located in open space, in the room where the source under test operates, in a cab fixed to the source under test, or in an enclosure remote from the source under test. One or more specified positions may be located in the vicinity of a work station, or in the vicinity of an attended or unattended machine. Such positions are sometimes referred to as bystander positions. Emission sound pressure levels are determined as A-weighted levels. Additionally, levels in frequency bands and C-weighted peak emission sound pressure levels can be determined in accordance with ISO 11201:2010, if required. With the method specified in ISO 11201:2010, results of accuracy grade 1 (precision grade) or accuracy grade 2 (engineering grade) are obtained. Corrections are applied for background noise, but not for the acoustic environment. Instructions are given for the mounting and operation of the source under test and for the choice of microphone positions for the work station and for other specified positions. One purpose of the measurements is to permit comparison of the performance of different units of a given family of machines, under defined environmental conditions and standardized mounting and operating conditions. The method specified in ISO 11201:2010 is suitable for all types of noise (steady, non-steady, fluctuating, isolated bursts of sound energy, etc.) defined in ISO 12001. The method specified in ISO 11201:2010 is applicable to all types and sizes of noise sources. The type of test environment influences the accuracy of the determination of emission sound pressure levels. For the application of ISO 11201:2010 an essentially free field over a reflecting plane (indoors or outdoors) is required. ISO 11201:2010 is applicable to work stations and other specified positions where emission sound pressure levels are to be measured. Appropriate positions where measurements may be made include the following: a) work station located in the vicinity of the source under test; this is the case for many industrial machines and domestic appliances; b) work station within a cab which is an integral part of the source under test; this is the case for many industrial trucks and earth-moving machines; c) work station within a partial or total enclosure (or behind a screen) supplied by the manufacturer as an integral part of the source under test; d) work station partially or totally enclosed by the source under test; this situation may be encountered with some large industrial machines; e) bystander positions occupied by individuals not responsible for the operation of the source under test, but who may be in its immediate vicinity, either occasionally or continuously; f) other specified positions, not necessarily work stations or bystander positions. The work station may also lie on a specified path along which an operator moves.

ICS

17.140.20 Gépek és berendezések zajkibocsátása

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2010-09-01

Forrás

idt ISO 11201:2010; idt EN ISO 11201:2010

Előd

MSZ EN ISO 11201:2009

Utód

Módosítás

Kiegészítő információk

SZK-közlemények

Kapcsolódó európai jogszabály

2006/42/EK AZ EURÓPAI PARLAMENT ÉS A TANÁCS 2006/42/EK IRÁNYELVE (2006. május 17.) a gépekről és a 95/16/EK irányelv módosításáról (átdolgozás) (EGT vonatkozású szöveg) (MAC06)

A szabvány

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