GB/T 21231-2007 English Version, GB/T 21231-2007 Acoustics - Method for the measurement of airborne noise emitted by small air-moving devices (English Version)

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GB/T 21231-2007 Acoustics - Method for the measurement of airborne noise emitted by small air-moving devices (English Version)
Standard No.:	GB/T 21231-2007	Status:	superseded remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	12000 words	Price(USD):	360.0 remind me the price change Email:
Implemented on:	2008-5-1	Delivery:	via email in 1~3 business day

Standard No.:	GB/T 21231-2007
English Name:	Acoustics - Method for the measurement of airborne noise emitted by small air-moving devices
Chinese Name:	声学小型通风装置辐射空气噪声的测量方法
Chinese Classification:	A59 Acoustic Measurement
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; SAC
Issued on:	2007-11-14
Implemented on:	2008-5-1
Status:	superseded
Superseded by:	GB/T 21231.1-2018 Acoustics—Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices—Part 1: Airborne noise measurement
Superseded on:	2018-10-1
Language:	English
File Format:	PDF
Word Count:	12000 words
Price(USD):	360.0
Delivery:	via email in 1~3 business day

Standard

GB/T 21231-2007 Acoustics - Method for the measurement of airborne noise emitted by small air-moving devices (English Version)
Standard No.	GB/T 21231-2007
Status	superseded
Language	English
File Format	PDF
Word Count	12000 words
Price(USD)	360.0
Implemented on	2008-5-1
Delivery	via email in 1~3 business day

Detail of GB/T 21231-2007

Standard No.

English Name

Chinese Name

Chinese Classification

Professional Classification

ICS Classification

Issued by

Issued on

Implemented on

Status

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Superseded on

Abolished on

Superseding

Language

File Format

Word Count

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Keywords

Introduction of GB/T 21231-2007

本标准规定了小型通风装置辐射空气噪声的测量方法。这类通风装置主要用于冷却电子、电气和机械设备，包括螺旋桨式通风机、轴流风机、翼式轴流风机、离心风机、贯流式风机、柜式鼓风机和这些装置的变型。本标准可用于冷却电子以及类似设备的小型通风装置总声功率级的测量。试验数据表明该方法对于空气流量不大于1 和风扇静压不大于750Pa的场合都是有效的。

Contents of GB/T 21231-2007

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Keywords:
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