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Chinese Standard: GB/T 45726-2025

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Acoustics—Determination of high-frequency sound power levels emitted by machinery and equipment


Standard in brief
Scope of Application:  
本文件描述了测定机器设备发射的高频噪声声功率级的四种方法,其频率在中心频率为16 kHz的倍频带范围内,包括11.2 kHz~22.4 kHz的频率。这些方法是对ISO 3741和ISO 3744所述方法的补充。前三种方法是基于混响室技术,第四种方法是利用一个反射面上方的自由场。
本文件描述的设备安装和运行的测试条件与ISO 3741和ISO 3744的规定相同。

Basic information
Standard No:GB/T 45726-2025
Standard Name:声学 机器设备发射的高频声功率级测定
English Name:Acoustics—Determination of high-frequency sound power levels emitted by machinery and equipment
Standard Status:现行
Release Date:2025-05-30
Effective Date:2025-12-01
Language of Publication:中文简体

Standard Classification
ICS Number:13.140
CCS Number:A59

Related Standards
Referenced Standards:ISO 3741,ISO 3744,ISO 6926,ISO 9613-1
Adopted Standards:ISO 9295:2015
Adopted Standard Name:《声学 机器设备发射的高频声功率级测定》
Adoption Level:IDT

Publication Information
Number of pages:24
Number of words:33 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2025-05-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:45726
Drafter:张荣初、刘宇清、程晓斌、尹铫、吕亚东、刘丹晓、程明昆、李争光、毛东兴、俞悟周、熊文波、翟国庆、徐欣
Drafting Organization:南京常荣声学股份有限公司、中国科学院声学研究所、浙江科技大学、同济大学、杭州爱华智能科技有限公司、浙江大学
Management Organization:全国声学标准化技术委员会(SAC/TC 17)
Proposing Department:中国科学院

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