Standard No.:	GB/T 14574-2000
English Name:	- Declaration and verification of noise emission values of machinery and equipment
Chinese Name:	声学 机器和设备噪声发射值的标示和验证
Chinese Classification:	Z32    Noise and vibration test methods
Professional Classification:	GB    National Standard
ICS Classification:	17.140.20 17.140.20    Noise emitted by machines and equipment 17.140.20
Issued by:	AQSIQ
Issued on:	2000-3-1
Implemented on:	2000-1-2
Status:	valid
Superseding:	GB/T 14574-1993 Acoustics. Noise labelling of machinery and equipment
Language:	English
File Format:	PDF
Word Count:	9000 words
Price(USD):	270.00
Delivery:	via email in 1~3 business day

本标准规定了有关机器和设备的下列内容：——噪声发射值的标示；——技术文件中应提供产品的噪声发射值和与产品有关的声学信息；——说明了噪声发射值的验证方法。本标准使用的噪声发射标示值可分为单值噪声发射标示值Ld或双值噪声发射标示值L和K。L是直接测量的噪声发射值，K是与测量有关的不确定度，Ld为L与K之和，由重复测量得到的置信度范围内不可能超过的上限值，Ld对应于GB/T14573.1中定义的Lc标牌值。