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GB/T 4214.21-2025 English PDF

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US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4214.21-2025: Test method for noise of household and similar electrical appliances - Part 21: Particular requirements for oral hygiene appliances
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4214.21-2025	299	Add to Cart	3 days	Test method for noise of household and similar electrical appliances - Part 21: Particular requirements for oral hygiene appliances	Valid

Similar standards

GB/T 4214.3 GB/T 4214.4 GB/T 4214.2 GB/T 4214.18 GB/T 4214.17 GB/T 4214.16

Basic data

Standard ID: GB/T 4214.21-2025 (GB/T4214.21-2025)
Description (Translated English): Test method for noise of household and similar electrical appliances - Part 21: Particular requirements for oral hygiene appliances
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z32
Classification of International Standard: 97.030
Word Count Estimation: 14,169
Date of Issue: 2025-04-25
Date of Implementation: 2025-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 4214.21-2025: Test method for noise of household and similar electrical appliances - Part 21: Particular requirements for oral hygiene appliances

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 97.030 CCSZ32 National Standard of the People's Republic of China Test methods for noise from household and similar electrical appliances Part 21.Particular requirements for oral hygiene appliances Released on 2025-04-25 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document is Part 21 of GB/T 4214 "Test methods for noise from household and similar electrical appliances". GB/T 4214 has been published. The following parts. --- General requirements (GB/T 4214.1); --- Particular requirements for vacuum cleaners (GB/T 4214.2); --- Special requirements for dishwashers (GB/T 4214.3); --- Particular requirements for washing machines and centrifugal extractors (GB/T 4214.4); --- Particular requirements for electric shavers, electric hair clippers and hair trimmers (GB/T 4214.5); --- Particular requirements for hair care appliances (GB/T 4214.6); --- Particular requirements for tumble dryers (GB/T 4214.7); --- Particular requirements for electric ranges, ovens, grills, microwave ovens and their combination appliances (GB/T 4214.8); --- Special requirements for fans (GB/T 4214.9); --- Procedure for determining and verifying the stated value of noise (GB/T 4214.10); --- Particular requirements for electric food processing appliances (GB/T 4214.11); --- Special requirements for fan heaters (GB/T 4214.12); --- Particular requirements for range hoods and other cooking fume extraction devices (GB/T 4214.13); --- Particular requirements for refrigerators, frozen food storage containers and food freezers (GB/T 4214.14); --- Special requirements for thermal storage room heaters (GB/T 4214.15); --- Special requirements for food waste disposers (GB/T 4214.16); --- Special requirements for dry cleaning robots (GB/T 4214.17); --- Special requirements for washer-dryers (GB/T 4214.18); --- Particular requirements for oral hygiene appliances (GB/T 4214.21). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by China Light Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Household Electrical Appliances (SAC/TC46). This document was drafted by. China Household Electrical Appliances Research Institute, Xiaomi Communications Technology Co., Ltd., Beijing Procter & Gamble Technology Co., Ltd., China Household Electrical Appliances Research Institute (Beijing) Testing and Certification Co., Ltd., Suzhou Quality and Standardization Institute, Panasonic Wanbao Beauty and Health Appliances (Guangzhou) Co., Ltd., Weikai Testing Technology Co., Ltd., Guangzhou Shuke Industrial Co., Ltd., Shandong Product Quality Inspection Institute, Chongqing Dengkang Oral Care Products Co., Ltd. Company, Guangzhou Xingji Yuedong Co., Ltd., Shenzhen SuShi Technology Co., Ltd., and Shenzhen Shuye Innovation Technology Co., Ltd. The main drafters of this document are. Wang Kun, Gao Yuan, Ji Xiaohui, Chen Songtao, Ai Linhua, Tang Zheng, Zheng Ziying, Li Chao, Chen Minshan, Hu Xiaoqing, Zhang Min, Xu Dao, Lin Min, and Xue Dahuan.

Introduction

GB/T 4214 "Test methods for noise from household and similar electrical appliances" series of standards adopts IEC 60704 series of standards or independently developed It is planned to consist of the following parts. --- General requirements (GB/T 4214.1). The purpose is to provide general requirements for noise test methods for various products. ---Special requirements for vacuum cleaners (GB/T 4214.2). The purpose is to put forward special requirements for the noise test method of vacuum cleaners. Require. --- Special requirements for dishwashers (GB/T 4214.3). The purpose is to put forward special requirements for the noise test method of dishwashers. --- Particular requirements for washing machines and centrifugal dehydrators (GB/T 4214.4). The purpose is to Special requirements are placed on acoustic testing methods. --- Special requirements for electric shavers, electric hair clippers and hair trimmers (GB/T 4214.5). The purpose is to Special requirements are put forward for the noise test method of hair clippers and trimmers. --- Particular requirements for hair care appliances (GB/T 4214.6). The purpose is to put forward special requirements for the noise test method of hair care appliances. Special requirements. ---Special requirements for tumble dryers (GB/T 4214.7). The purpose is to propose special noise test methods for tumble dryers. Special requirements. --- Particular requirements for electric ranges, ovens, grills, microwave ovens and their combination appliances (GB/T 4214.8). Special requirements are put forward for the noise test methods of grills, microwave ovens and their combination appliances. --- Special requirements for fans (GB/T 4214.9). The purpose is to put forward special requirements for the noise test method of fans. --- Procedure for determining and verifying the declared value of noise (GB/T 4214.10). The purpose is to provide procedures for determining and verifying the declared value of noise for all products. General requirements for indication. --- Particular requirements for electric food processing appliances (GB/T 4214.11). The purpose is to test the noise of electric food processing appliances The method makes special requirements. --- Special requirements for fan heaters (GB/T 4214.12). The purpose is to propose a noise test method for fan heaters. Special requirements. --- Particular requirements for range hoods and other cooking fume extraction devices (GB/T 4214.13). The purpose is to He puts forward special requirements for the noise test method of cooking smoke suction and exhaust devices. --- Particular requirements for refrigerators, frozen food storage containers and food freezers (GB/T 4214.14). Special requirements are put forward for the noise test methods of frozen food storage boxes and food freezers. --- Special requirements for thermal storage room heaters (GB/T 4214.15). The purpose is to test the noise of thermal storage room heaters. The method makes special requirements. --- Special requirements for waste food disposers (GB/T 4214.16). The purpose is to test the noise of waste food disposers Make special requests. ---Special requirements for dry cleaning robots (GB/T 4214.17). The purpose is to test the noise of dry cleaning robots Make special requests. ---Special requirements for washer-dryers (GB/T 4214.18). The purpose is to put forward special requirements for the noise test method of washer-dryers. Require. --- Special requirements for humidifiers. The purpose is to put forward special requirements for the noise test method of humidifiers. --- Special requirements for room air conditioners. The purpose is to put forward special requirements for the noise test method of room air conditioners. ---Special requirements for oral hygiene appliances (GB/T 4214.21). The purpose is to propose a noise test method for oral hygiene appliances. Special requirements. GB/T 4214.1-2017 adopts IEC 60704-1.2010 and is the common part of this series of standards. 2021 is equivalent to IEC 60704-3.2006, which provides a reference for the determination and verification of noise explicit values in other parts of the entire series of standards. in accordance with. The "applicable" part of this document indicates that the corresponding provisions in GB/T 4214.1-2017 are applicable to this document; For the part marked as "replaced", the provisions in this document shall prevail; for the part marked as "added" in this document, it means that in addition to complying with GB/T 4214.1- 2017, the provisions added in this document shall also be complied with; the part of this document marked as "modified" indicates that The corresponding provisions of GB/T 4214.1-2017 are modified. Unless a note appears in a new sub-chapter or refers to a note in GB/T 4214.1-2017, the numbering of notes starts from 101 and includes Notes in the replaced section or subsection. Test methods for noise from household and similar electrical appliances Part 21.Particular requirements for oral hygiene appliances

1 Scope and measurement quantity

This chapter in GB/T 4214.1-2017 is applicable except for the following contents. 1.1 Scope 1.1.1 Overview Increase. This document applies to oral hygiene appliances for household and similar purposes with a rated voltage not exceeding 250 V. Note 101.This document applies to. --- Oral irrigator; ---Electric toothbrush. NOTE 102 For oral hygiene appliances intended for use in vehicles, ships or aircraft, reference can be made to this document. This document does not apply to oral hygiene appliances with medical functions. 1.1.2 Noise Type replace. The methods listed in GB/T 6881.2-2017, GB/T 6881.3-2002 and GB/T 3767-2016 can be used for oral hygiene appliances Measurement of emitted noise. 1.2 Measurement quantity Increase. Requirements for noise levels are outside the scope of this document.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. This chapter in GB/T 4214.1-2017 is applicable except for the following contents. Revise. GB/T 3767-2016 Acoustics - Determination of sound power level and sound energy level of noise source by sound pressure method - Approximate free field above reflecting surface Cheng Fa GB/T 6881.2-2017 Acoustics - Determination of sound power level and sound energy level of noise source by sound pressure method - Small movable sound source in reverberant field Engineering Method Hard Wall Test Chamber Comparison Method

3 Terms and definitions

This chapter in GB/T 4214.1-2017 is applicable except for the following contents. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4214.21-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4214.21-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 4214.21-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4214.21-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.