GB/T 4214.9-2021
Test method for noise of household and similar electrical appliances—Particular requirements for fans (English Version)

Standard No.

GB/T 4214.9-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 4214.9-2021

Scope

1.1.1 Overview Replacement: This part of GB/T 4214 is applicable to electric fans (hereinafter referred to as fans) powered by AC or DC for household and similar purposes, and their accessories and parts. The motor, impeller and housing (if present) form a self-contained unit. This section applies to: --- traditional fans; --- table fans; --- floor fans; --- ceiling fans; --- bladeless fans; --- wall fans; --- ceiling fans; --- - Turning fans; - Column fans; - Ventilation fans and partition fans; - Terrace fans. This section does not apply to: --- Fans used as part of ventilation systems; --- Fans specially designed for industrial use; --- Fans used as parts of appliances (such as cooling fans); --- Fans with additional functions (such as heating , humidification) fans. For limitations of the test methods described in this part, see Chapter 1 in GB/T4214.1-2017. 1.1.2 Types of Noise

GB/T 4214.9-2021 Referenced Document

• GB/T 3767-2016 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for an essentially free field over a reflecting plane
• GB/T 4214.1-2017 Test method for noise of household and similar electrical appliances—General requirements
• GB/T 6881.2-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room

GB/T 4214.9-2021 history

• 2021 GB/T 4214.9-2021 Test method for noise of household and similar electrical appliances—Particular requirements for fans

GB/T 4214.9-2021 -All Parts