SIST EN ISO 11546-2:2009 PDF

Name: SIST EN ISO 11546-2:2009 — Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ (for acceptance and verification purposes) (ISO 11546-2:1995)
SKU: SIST EN ISO 11546-2:2009
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Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ (for acceptance and verification purposes) (ISO 11546-2:1995)

Название (английский):

SIST EN ISO 11546-2:2009

Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ (for acceptance and verification purposes) (ISO 11546-2:1995)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 25
Дата публикации:: 13 октября 2009 г.
ICS:: 17.140.01
Технический комитет:: AKU - Acoustics

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Описание (английский):

Specifies in situ methods for the determination of the sound insulation performance of machine enclosures. Does apply to a total enclosure only.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 11546-2:2009 (ISO 11546-2:1995) is a CEN/ISO acoustics standard that specifies in situ methods for determining the sound insulation performance (insertion loss) of machine enclosures. It applies to a complete enclosure only (not to individual panels such as doors or windows) and is intended for acceptance and verification measurements on installed equipment. The standard supports conformity assessment under relevant EU machinery Directives when applied within its scope.

Key topics and requirements

Scope and applicability

Measurement methods are for a total enclosure surrounding the actual noise source (machine). Alternative methods using an artificial sound source are given when the actual source cannot be used.

Measurement objectives

Quantify the enclosure performance in terms of sound power reduction or sound pressure level reduction (insertion loss).

Measurement methods

Procedures for measurements when the enclosure surrounds the actual sound source and for the artificial sound source method where necessary.

Instrumentation and test conditions

Requirements for instruments, test positions and environmental conditions are provided and reference related ISO measurement practice standards.

Data handling

Guidance on uncertainty estimation, information to be recorded during tests, and information to be reported in test reports.

Annexes (informative)

Annex A: design of an artificial sound source
Annex B: example source spectrum
Annex C: evaluating suitability of test environments for in situ work
Annex D: estimating noise insulation for a given noise spectrum
Annex E: bibliography and references

Applications and who uses it

EN ISO 11546-2 is intended for practical use by:

Acoustic consultants and measurement laboratories performing on-site verification and acceptance tests

OEMs and machine manufacturers validating enclosure performance on installed machinery

Compliance and safety engineers demonstrating conformity with noise-related requirements under EU machinery directives

Facility managers and maintenance teams assessing the effectiveness of sound enclosures in real operating conditions

Typical applications include field testing of acoustic enclosures, verifying claimed insertion loss during commissioning, and troubleshooting inadequate noise control.

Related standards

Key related ISO standards referenced for methods and instrumentation:

ISO 11546-1 (laboratory measurements / declaration)

ISO 3743, ISO 3746, ISO 3747 (sound power determination methods)

ISO 9614 (sound intensity methods)

ISO 11200, ISO 11201, ISO 11202 (noise emission and measurement at workstations)

ISO 717-1 (rating of airborne sound insulation)

ISO 4871 (noise declaration and verification for machinery)

By following EN ISO 11546-2, practitioners can perform consistent, documented in situ sound insulation tests of machine enclosures and produce reliable results for acceptance, verification and regulatory compliance.

SIST EN ISO 11546-2:2009 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and who uses it

Related standards

Технические детали

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