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: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 7665-2023	279	Add to Cart	3 days	(On-site measurement of sound power level of general mechanical noise Sound intensity method)	Valid
JB/T 7665-2007	399	Add to Cart	3 days	Determination of sound power levels for noise emitted by general machinery at the work station. Sound intensity method	Obsolete
JB/T 7665-1995	279	Add to Cart	3 days	(General Machinery site determination of sound power levels of noise Sound intensity method)	Obsolete

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GB/T 4976   GB/T 2888   JB/T 6887   JB/T 7663.2   JB/T 7663.1   JB/T 7664   

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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