Standard No.:	JB/T 4330-1999
English Name:	Determination of Noise Emitted by Refrigerating and Air Condition
Chinese Name:	制冷和空调设备噪声的测定
Chinese Classification:	J73    Refrigeration equipment
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Ministry of Machine Building
Issued on:	1999-07-12
Implemented on:	2000-1-1
Status:	valid
Superseding:	JB 4330-1986
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	120.00
Delivery:	via email in 1 business day

This standard specifies the determination methods for sound power level of noise on the reflection plane under the free-field conditions. Annex C (Normative Annex) presents the measuring methods for sound pressure level of noise. And Annex D (Normative Annex) presents the measuring methods for sound pressure level of noise emitted by air conditioners.

This standard is applicable to the refrigerating and air conditioning equipments/parts (hereinafter referred to as "units") assembled by facilities.