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

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 19887-2005	364	Add to Cart	3 days	Acoustics -- Measurement of the in situ sound attenuation of a removable screen	Valid

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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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