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JB/T 7665-2023 English PDF

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JB/T 7665-2023: (On-site measurement of sound power level of general mechanical noise Sound intensity method)
Status: Valid

JB/T 7665: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 7665-2023English279 Add to Cart 3 days [Need to translate] (On-site measurement of sound power level of general mechanical noise Sound intensity method) Valid JB/T 7665-2023
JB/T 7665-2007English399 Add to Cart 3 days [Need to translate] Determination of sound power levels for noise emitted by general machinery at the work station. Sound intensity method Obsolete JB/T 7665-2007
JB/T 7665-1995English279 Add to Cart 3 days [Need to translate] (General Machinery site determination of sound power levels of noise Sound intensity method) Obsolete JB/T 7665-1995

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Basic data

Standard ID JB/T 7665-2023 (JB/T7665-2023)
Description (Translated English) (On-site measurement of sound power level of general mechanical noise Sound intensity method)
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J72
Classification of International Standard 23.140
Word Count Estimation 12,161
Date of Issue 2023-12-29
Date of Implementation 2024-07-01
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the terms and definitions for measuring the sound power level of general mechanical noise using the sound intensity method, and specifies the quantity to be measured, measurement uncertainty, measurement environment, measuring instruments, unit installation and operation, measurement and sound power level calculation, etc. . This standard is applicable to the measurement of on-site noise and sound power levels of various general-purpose machinery such as compressors, pumps, fans and separation machinery with prime movers. It is also applicable to various large-scale general-purpose machines that do not have the environmental conditions required by general sound power level measurement methods. Determination of the sound power level of mechanical noise.

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 7665-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.