Standard No.:	JB/T 6972-1993
English Name:	Measurement Method for Microporous Exhaust Muffler
Chinese Name:	微孔排气消声器 测量方法
Chinese Classification:	Z32    Noise and vibration test methods
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Ministry of Machine Building
Issued on:	1993-7-27
Implemented on:	1994-7-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	90.00
Delivery:	via email in 1~3 business day

本标准规定了微孔排气消专用器性能在消声室、混响室、工作现场的测量方法 。
本标准规定的测量参量主要为微孔排气消专用器的A、C计权插入损失和气体流量损失率。
本标准适用于粉末冶金、陶瓷、塑料或其他材料的小型微孔消声器。本标准不适用于管道排气消声器消声性能测量。