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GB/T 39505-2020Household electric hair clipper and hair trimmer performance test method (English PDF)

家用电理发剪及修发器性能测试方法

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

November 19, 2020

Implementation date

June 1, 2021

Scope

GB/T 39505-2020 is the English-translated version of 家用电理发剪及修发器性能测试方法.

GB/T 39505-2020 is the Chinese standard "Household electric hair clipper and hair trimmer performance test method". Its scope clause reads: This standard applies to household reciprocating electric hair clippers and hair trimmers.

This standard relates to the performance test methods of household electric hair clippers and hair trimmers with a rated voltage not exceeding 250V. This standard does not specify safety or performance requirements.

This standard does not apply to professional electric hair clippers and trimmers, animal electric hair clippers and razors. For electric shavers, see QB/T 2532.

Note. This standard does not involve safety requirements (IEC 60335-2-8). Its clauses include terms and definitions.

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Document preview — GB/T 39505-2020

National Standard of the People's Republic of China

Classification: Y 64

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and definitions
4 General conditions of the test
4.1 General
4.2 Pretreatment
4.3 Battery condition
4.4 Test environment
4.5 Voltage fluctuation limit
4.6 Test voltage
4.7 Test frequency
4.8 Test power supply system
5 Test procedure
5.1 General
5.2 Pre-processing operation
5.3 No-load operation test conditions
5.4 Measurement of power cord length
5.5 Starting ability test
5.6 Shear capacity test
5.7 Airborne noise test
5.9 Measuring the working time of rechargeable hair clippers and hair trimmers after fully charged
5.10 Determination of the energy consumption of battery-powered hair clippers and trimmers
5.11 Durability test
6 Record of test information and test results
6.1 Product details
6.2 Test parameters
6.3 Measurement data
6.4 Test and laboratory information
Appendix A (informative appendix) Information about hair sample suppliers
Appendix B (informative appendix) The placement of hair clippers and trimmers in the test

1 Scope

This standard applies to household reciprocating electric hair clippers and hair trimmers.

This standard relates to the performance test methods of household electric hair clippers and hair trimmers with a rated voltage not exceeding 250V.

This standard does not specify safety or performance requirements.

This standard does not apply to professional electric hair clippers and trimmers, animal electric hair clippers and razors. For electric shavers, see QB/T 2532.

Note. This standard does not involve safety requirements (IEC 60335-2-8).

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.

For undated references, the latest version (including all amendments) applies to this document.

GB/T 4214.5-2008 Household and similar electrical appliances noise test method Special requirements for electric shavers (IEC 60704-2-8.1997, IDT)

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Hair clipper and trimmer

An appliance for cutting hair, consisting of a motor, a drive system, a fixed blade with teeth, and a movable blade with teeth that can reciprocate.

Cut or trim your hair, not for shaving.

Note. According to specific functions, hair clippers can also be called hair trimmers.

3.2 Battery-powered barber and trimmer

Only obtain energy from the primary battery or secondary battery, not through the charger connected to the mains or the battery box provided by the manufacturer.

Electric hair clippers and trimmers.

Note. If the manufacturer provides hair clippers and hair trimmers with specific chargers and rechargeable batteries, this combination device is considered to be rechargeable when testing the performance.

Electric hair clipper and trimmer.

3.3 Rechargeable hair clipper and trimmer

Hair clippers and hair trimmers powered by rechargeable batteries or battery boxes charged in the hair clippers and trimmers.

Note. There are two types of rechargeable hair clippers and hair trimmers. rechargeable hair clippers and hair trimmers without cords and plug-and-play rechargeable hair clippers and hair trimmers.

3.4 Rechargeable hair clipper and trimmer without cord

Rechargeable hair clippers and hair trimmers that are not intended to work when connected to a mains or charger. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 4214.5-2008Test method for noise of household and similar electrical appliances - Particular requirements for electric shavers, hair clippers or trimmers

IEC 60704

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