Standard No.:	SJ/Z 9151-1987
English Name:	Intergrating-averaging sound level meters
Chinese Name:	积分平均声级计
Chinese Classification:	H01    Technical management
Professional Classification:	SJ    Professional Standard - Electronics
Source Content Issued by:	Ministry of Electronics Industry
Issued on:	1988-01-06
Implemented on:	1988-1-6
Status:	abolished
Abolished on:	2010-01-20
Target Language:	English
File Format:	PDF
Word Count:	8500 words
Translation Price(USD):	250.00
Delivery:	via email in 1~3 business day

本标准描述了测量频率计权和时间平均声压级所用的各种仪器。亦可选择测量声暴露级。本标准符合IEC 651标准“声级计”中的要求，但对于稳态的、间断的、起伏的和脉冲的等效连续声压级Leq的测量，规定了必要的附加特性。