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GB/T 19512-2004 English PDF

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GB/T 19512-2004: Acoustics -- Measurements on silencers in situ
Status: Valid
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GB/T 19512-2004English524 Add to Cart 4 days [Need to translate] Acoustics -- Measurements on silencers in situ Valid GB/T 19512-2004

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Basic data

Standard ID GB/T 19512-2004 (GB/T19512-2004)
Description (Translated English) Acoustics. Measurements on silencers in situ
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Z32
Classification of International Standard 91.120.20
Word Count Estimation 23,239
Date of Issue 2004-05-13
Date of Implementation 2004-12-01
Quoted Standard GB/T 3767-1996; GB/T 3785-1983; GB/T 17181-1997; ISO 5221-1984
Adopted Standard ISO 11820-1996, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 6 of 2004 (No. 68 overall)
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China China National Standardization Administration Committee
Summary This standard specifies the method of field measurements muffler. Applies to the practical application of the silencer measurements for acoustic analysis, acceptance testing and evaluation. In accordance with the standard results obtained with in accordance with ISO 7235 or GB/T 4760 on the pipe muffler measured in the laboratory the results are not comparable, partly due to the different test conditions (for example, the sound field distribution, airflow, temperature, and installation conditions, etc.), partly due to different definitions.

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