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GB/T 19887-2005 English PDF

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GB/T 19887-2005: Acoustics -- Measurement of the in situ sound attenuation of a removable screen
Status: Valid
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GB/T 19887-2005English364 Add to Cart 3 days [Need to translate] Acoustics -- Measurement of the in situ sound attenuation of a removable screen Valid GB/T 19887-2005

PDF similar to GB/T 19887-2005


Standard similar to GB/T 19887-2005

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Basic data

Standard ID GB/T 19887-2005 (GB/T19887-2005)
Description (Translated English) Acoustics. Measurement of the in situ sound attenuation of a removable screen
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Z32
Classification of International Standard 17.140.01
Word Count Estimation 14,129
Date of Issue 2005-09-09
Date of Implementation 2006-04-01
Adopted Standard ISO 11821-1997, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 11 of 2005 (No. 85 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee
Summary This standard specifies the movable barrier indoors or outdoors live sound attenuation performance evaluation method, the standard is the insertion loss measurement engineering -level approach, both with the actual measured sound source can also be used artificial sound source. This standard applies to height and length greater than 1. 5m barrier, but as long as the parties agree can also be used for smaller barrier. Because the outdoor environmental conditions will affect the measurement. Therefore recommended that the measured limiting barrier at a distance within the range of 25m. However, if the parties agree. Measurements can also be used for greater distance. The results of the field test management differences. Therefore, different barrier performance can only be measured in the same position in the same way based on the data obtained compared Dacron. This standard applies only to complete barrier does not apply to its constituent units components. Barrier components (eg panels, doors, windows) sound insulation and sound absorption shall be measured other relevant standards. This standard does not apply to open office noise barriers and deal with community outdoor sound barrier. The same does not apply to product certification.

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