GB/T 4214.4-2008 in English

《GB/T 4214.4-2008家用和类似用途电器噪声测试方法 洗衣机和离心式脱水机的特殊要求》由TC46（全国家用电器标准化技术委员会）归口，主管部门为中国轻工业联合会。
GB/T 4214由若干部分组成，第１部分为通用要求，其他部分为特殊要求。
本部分是GB/T 4214的第4部分。本部分应与GB/T 4214.1-2000《声学　家用电器及类似用途器具噪声测试方法　第1部分：通用要求》配合使用。
GB/T 4214.1-2000中的该章除下述内容外，均适用。

1 Scope

This chapter of GB/T 4214.1-2000 is applicable except as follows:

1.1 Applicable scope

1.1.1 General

Replacement:

This part is applicable to single unit electric washing machines, the washing and spinning function of combined appliances for household and similar use, and to spin extractors.

Limitations for the use of the test method involved in this part are given in 1.1.1 of GB/T 4214.1-2000.

Note: This part is not applicable to the noise measurement for drying function.

1.1.2 Types of noise

Replacement:

GB/T 6881.2, GB/T 6881.3 and GB/T 3767 can be used for measuring noise emitted by washing machines and spin extractors.

1.1.3 Size of the source

Replacement:

The method specified in GB/T 3767 is applicable to noise sources of any size. When applying GB/T 6881.2 and GB/T 6881.3, care should be taken that the maximum size of the washing machine or spin extractor under test fulfills the requirements specified in 1.3 of GB/T 6881.2-2002 and GB/T 6881.3-2002.

1.2 Object

Addition:

Requirements for the declaration of noise emission values are not within the scope of this part.

Note 3: For determining and verifying noise emission values declared in product specifications, see IEC 60704-3.

2 Normative References

The following normative documents contain provisions which, through reference in this part of GB/T 4214, constitute provisions of this part. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.

Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Measurement Methods and Acoustical Environments
5 Instrumentation
6 Operation and Location of Appliances under Test
7 Measurement of Sound Pressure Levels
8 Calculation of Sound Pressure and Sound Power Levels
9 Information to Be Recorded
10 Information to Be Reported
Annex A (Normative) Standard Test Table