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EMC reference standards for household appliances and electric tool products

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EMC reference standards for household appliances and electric tool products

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EMC Basic Knowledge

1; Range

Test item

Usually, testing requires Frequency range

Laboratory capability

Standard

EMC

EMI

Conducted disturbance

9KHz-30MHz

9KHz-108MHz

Power radiation

; Power clamp

30-300MHz

Space radiation

30-1G or above

30-26GHz

Magnetic field radiation ME

9KHz-30MHz

9KHz-30MHz (2m method)

Harmonic current

50Hz 2KHz

IEC/EN61000-3-2 GB17625.2

Voltage Fluctuation Flick

IEC/EN61000-3-3 GB17625.3

EMS

Electrostatic ESD

Air discharge: 8KV

Contact discharge: 4KV

Air discharge: 25KV

Contact discharge: 25KV

IEC/EN61000-4-2 GB/T17626.2

Radiation anti-interference R/S

80MHz-1GHz, 1KHz, 80% AM, 10V/m

80MHz-2GHz, 1KHz, 80% AM, 10V/m

IEC/EN61000-4-3

; GB/T17626.3

Electric fast pulse group EFT/B

1KV, 5/50ns (Tr/Th), 5KHz repetition frequency

4.5KV, 5/50ns (Tr/Th), 5KHz repetition frequency IEC/EN61000-4-4; GB/T17626.4

Surge (Lightning Strike)

Line line 1kv

Line earth: 2kv

6.6KV 10/700us (Tr/Th)

1.2/50us (Tr/Th)

IEC/EN61000-4-5 GB/T17626.5

Conducted anti-interference C/S

150k-230MHz 1KHz, 80% AM; 3V

150k-250MHz 1KHz, 80% AM; 1-30V

IEC/EN61000-4-6

; GB/T17626.6

Power frequency magnetic field M/S

3A/m,

50Hz/60Hz

1.2A/m-120A/m,

50Hz~400Hz

IEC/EN61000-4-8

; GB/T17626.8

Voltage drop, interruption, change Dips

IEC/EN61000-4-11

Immunity to low-frequency conducted disturbances

140Hz~280Hz

140Hz~300Hz

IEC/EN61000-2-2 * Only applicable for UPS products

Household appliances and electric tool products EU EMC reference standards:

EMI standards: EN55014-1, EN61000-3-2, EN61000-3-3

EMS Standard: EN55014-2

EMC Reference Standards for Home Appliances and Electric Tool Products

EMI Standard: GB4343.1, GB17625.1, GB17625.2

EMC testing of household appliances and electric tools products includes:

hair straighteners, hair dryers, fans, juicers, bread machines, massage chairs, battery chargers, electric kettles, etc

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

4. Papers and research: Provide professional personalized testing needs

5. Judicial services: providing scientific, fair, and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

Baijian and testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Testing and testing characteristics:

1. The testing industry is fully covered, meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing, with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle, low cost, and attentive service

7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China