GB/T 39640-2020 Active National standards

GB/T 39640-2020 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure

GB/T 39640-2020 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure

Publish Date: 2020-12-14 Implement Date: 2021-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: GB/T 39640-2020
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Electromagnetic compatibility
ICS Name: Comprehensive Home Electrical Equipment
Publish Date: 2020-12-14
Implement Date: 2021-07-01
Pages: 39 pages

Scope

This standard specifies the evaluation method for electric field strength and magnetic induction intensity around household and similar appliances, including operating conditions and measurement distances and positions, involving electromagnetic fields not exceeding 300 GHz.
The appliances may be equipped with electric motors, electric heating elements, or both, and may contain electrical or electronic circuits. They can be powered by mains electricity, batteries, or other power sources.
The appliances include household appliances, power tools, and electric toys.
Appliances not intended for general household use but still accessible to the public or usable by non-professionals are within the scope of this standard.
This standard does not apply to:
——Appliances specifically designed for heavy industry;
——Electrical device components intended for fixed installation in buildings (such as fuses, circuit breakers, cables, and switches);
——Broadcasting and television receivers, audio-visual equipment, and electronic musical instruments;
——Medical electrical devices;
——Personal computers and similar equipment;
——Radio transmitters;
——Appliances designed specifically for vehicles.
For multifunctional equipment that simultaneously involves different clauses of this standard and/or other standards, the relevant functions should be evaluated in accordance with the provisions of each clause/standard.
The non-normal operation of the appliances is not considered.
This standard includes the following specific elements for evaluating human exposure:
——Requirements for sensors;
——Requirements for measurement methods;
——Requirements for the operating modes of the test equipment;
——Requirements for measurement distances and positions.
The specific measurement methods apply to a frequency range of 10 Hz to 400 kHz. Unless otherwise specified in GB 4706 (all parts), applianc

Development Information

Word Count: 72 Thousand words Pages: 39 pages

Referenced Standards

GB 4706.91-2008 Household and similar electrical appliances—Safety—Particular requirements for electric fence energizers GB/T 4706.91-2024 Safety of household and similar electrical appliances—Part 91:Particular requirements for electric fence energizers GB 4706.92-2008 Household and similar electrical appliances—Safety—Particular requirements for appliances to recover refrigerant from air conditioning and refrigeration equipment GB/T 4706.92-2024 Safety of household and similar electrical appliances—Part 92:Particular requirements for appliances to recover and/or recycle refrigerant from air conditioning and refrigeration equipment GB 4706.93-2008 Household and similar electrical appliances—Safety—Particular requirements for wet and dry vacuum cleaners for industrial and commercial use GB/T 4706.93-2024 Safety of household and similar electrical appliances—Part 93:Particular requirements for wet and dry vacuum cleaners,including power brush,for commercial use GB 4706.94-2008 Household and similar electrical appliances—Safety—Particular requirements for gas,oil and solid-fuel burning appliances having electrical connections GB/T 4706.94-2024 Safety of household and similar electrical appliances—Part 94:Particular requirements for gas,oil and solid-fuel burning appliances having electrical connections GB 4706.95-2008 Household and similar electrical appliances—Safety—Particular requirements for commercial electric hoods GB/T 4706.95-2024 Safety of household and similar electrical appliances—Part 95:Particular requirements for commercial electric hoods GB 4706.96-2008 Household and similar electrical appliances—Safety—Particular requirements for automatic machines for floor treatment for commercial and industrial use GB/T 4706.96-2024 Safety of household and similar electrical appliances—Part 96:Particular requirements for floor treatment machines with or without traction drive,for commercial use GB 4706.97-2008 Household and similar electrical appliances—Safety—Particular requirements for electrical animal-stunning equipment GB/T 4706.97-2024 Safety of household and similar electrical appliances—Part 97:Particular requirements for electrical animal-stunning equipment GB 4706.98-2008 Household and similar electrical appliances—Safety—Particular requirements for drives for gates,doors and windows GB/T 4706.98-2024 Safety of household and similar electrical appliances—Part 98:Particular requirements for drives for gates, doors and windows GB 4706.99-2009 Household and similar electrical appliances—Safety—Particular requirements for thermal-storage hand warmers GB/T 4706.99-2024 Safety of household and similar electrical appliances—Part 99:Particular requirements for thermal-storage hand warmers GB 4706.100-2009 Household and similar electrical appliances—Safety—Particular requirements for multifunctional shower room GB/T 4706.100-2024 Safety of household and similar electrical appliances—Part 100:Particular requirements for multifunctional shower cabinets GB 4706.101-2010 Household and similar electrical appliances—Safety—Particular requirements for drives for rolling shutters,awnings,blinds and similar equipment GB/T 4706.101-2024 Safety of household and similar electrical appliances—Part 101:Particular requirements for drives for shutters,awnings,blinds and similar equipment GB 4706.102-2010 Household and similar electrical appliances—Safety—Particular requirements for commercial refrigerating appliances with an incorporated or remote refrigerant condensing unit or compressor GB/T 4706.102-2024 Safety of household and similar electrical appliances—Part 102:Particular requirements for commercial refrigerating appliances and ice-makers with an incorporated or remote refrigerant unit or motor-compressor GB 4706.103-2010 Household and similar electrical appliances—Safety—Particular requirements for electric fishing machines GB/T 4706.103-2024 Safety of household and similar electrical appliances—Part 103:Particular requirements for electric fishing machines GB 4706.104-2010 Household and similar electrical appliances—Safety—Particular requirements for heated gullies for roof drainage GB 4706.105-2011 Household and similar electrical appliances—Safety—Particular requirements for humidifiers intended for use with heating,ventilation,or air-conditioner systems GB 4706.106-2011 Household and similar electrical appliances—Safety—Particular requirements for outdoor barbecues GB 4706.107-2012 Household and similar electrical appliances—Safety—Particular requirements for integrated kitchen appliance GB/T 4706.107-2024 Safety of household and similar electrical appliances—Part 107:Particular requirements for integrated kitchen appliances GB 4706.108-2012 Household and similar electrical appliances—Safety—Particular requirements for heated carpets and for heating units for room heating installed under removable floor coverings GB 4706.109-2013 Household and similar electrical appliances—Safety—Particular requirements for electrolysers GB/T 4706.110-2021 Safety of household and similar electrical appliances—Part 2:Particular requirements for robotic battery powered electrical lawnmowers GB/T 4706.111-2024 Safety of household and similar electrical appliances—Part 111:Particular requirements for commercial integrated kitchen appliance GB/T 4706.112-2024 Safety of household and similar electrical appliances—Part 112:Particular requirements for disinfecting tableware cabinet GB/T 4706.113-2024 Safety of household and similar electrical appliances—Part 113:Particular requirements for wireless power appliances GB/T 4706.114-2024 Safety of household and similar electrical appliances—Part 114:Particular requirements for drinking water treatment equipments GB/T 4706.115-2024 Safety of household and similar electrical appliances—Part 115:Particular requirements for evaporative air coolers GB/T 4706.116-2024 Safety of household and similar electrical appliances—Part 116:Particular requirements for electric heating stove GB/T 4706.117-2024 Safety of household and similar electrical appliances—Part 117:Particular requirements for electric ondol mattress with a non-flexible heated part GB/T 4706.118-2024 Safety of household and similar electrical appliances—Part 118:Particular requirements for skin beauty care appliances GB/T 4706.119-2024 Safety of household and similar electrical appliances—Part 119:Particular requirements for cosmetic and beauty care appliances incorporating lasers and intense light sources GB/T 4706.120-2024 Safety of household and similar electrical appliances—Part 120:Particular requirements for UV radiation water treatment appliances GB/T 4706.121-2024 Safety of household and similar electrical appliances—Part 121:Particular requirements for professional ice-cream makers GB/T 4706.122-2024 Safety of household and similar electrical appliances—Part 122:Particular requirements for furniture with electrically motorized parts GB/T 4706.123-2024 Safety of household and similar electrical appliances—Part 123:Particular requirements for electrical hangers GB/T 4706.124-2024 Safety of household and similar electrical appliances—Part 124:Particular requirements for commercial vacuum packaging appliances GB/T 4706.125-2024 Safety of household and similar electrical appliances—Part 125:Particular requirements for self-balancing personal transport devices for use with batteries containing alkaline or other non-acid electrolytes GB/T 4706.126-2025 Safety of household and similar electrical appliances—Part 126:Particular requirements for wine fresh-keeping dispenser GB/T 4706.127-2025 Safety of household and similar electrical appliances—Part 127:Particular requirements for water circulation heating blankets,mattresses and similar appliances GB/T 4706.128-2025 Safety of household and similar electrical appliances—Part 128:Particular requirements for fresh-air air cleaner GB/T 4706.129-2025 Safety of household and similar electrical appliances—Part 129:Particular requirements for DC supplied household electrical appliances GB 4706.2-2007 Household and similar electrical appliances—Safety—Part 2:Particular requirements for electric irons GB 4706.7-2014 Household and similar electrical appliances—Safety—Particular requirements for vacuum cleaners and water-suction cleaning appliances GB 4706.19-2008 Household and similar electrical appliances—Safety—Particular requirements for heating liquids GB 4706.21-2002 Safety of household and similar electrical appliances—Particular requirements for microwave ovens GB 4706.21-2008 Household and similar electrical appliances—Safety—Particular requirements for microwave ovens,including combination microwave ovens GB/T 4706.21-2024 Safety of household and similar electrical appliances—Part 21:Particular requirements for microwave ovens,including combination microwave ovens GB 4706.22-2008 Household and similar electrical appliances—Safety—Particular requirements for stationary cooking ranges,hobs,ovens and similar appliances GB 4706.30-2008 Household and similar electrical appliances—Safety—Particular requirements for kitchen machines GB 4706.56-2008 Household and similar electrical appliances—Safety—Particular requirements for deep fat fryers,frying pans and similar appliances GB 4706.59-2008 Household and similar electrical appliances—Safety—Particular requirements for oral hygiene appliances IEC 61786 IEC 62311

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