Standard No.:	GB/T 9068-1988
English Name:	Determination of sound power levels for noise emitted by heating ventilating and air conditioning equipment - Engineering method
Chinese Name:	采暖通风与空气调节设备噪声声功率级的测定 工程法
Chinese Classification:	J72    Compressor and fan
Professional Classification:	GB    National Standard
ICS Classification:	17.140.30 17.140.30    Noise emitted by means of transport 17.140.30
Issued by:	AQSIQ
Issued on:	1988-4-18
Implemented on:	1989-1-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	180.00
Delivery:	via email in 1~3 business day

本标准适用于采暖通风与空气调节设备(以下简称机组)噪声声功率级的测定。
本标准规定了反射平面上自由声场条件下的混响声场条件下噪声声功率级的工程测定法，并在附录C(参考件)中推荐了适用于现场测定的声压级测量方法。