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Electromagnetic Compatibility (EMC) Introduction

Electromagnetic compatibility (EMC) refers to the ability of a device or system to operate compliantly in its electromagnetic environment without causing intolerable electromagnetic interference to any equipment in its environment. Therefore, EMC includes two requirements: On the one hand, it mea...

Electromagnetic Compatibility (EMC) Introduction Detail

Main test items

Electromagnetic Interference Project Electromagnetic Immunity Project
Conducted disturbance electrostatic discharge
Radiated interference electrical fast burst
Radiated magnetic field surge
Harassment power RF Conducted Immunity
Electromagnetic field strength RF Radiated Immunity
Power harmonics Power frequency magnetic field
Voltage fluctuations and flicker Voltage dips and interruptions
Measurement item Standard Main performance
Radiated emissions VCCIJ55032FCC Part-15

CISPR 32

CISPR 14.1

CISPR 11

EN300 386

EN301 489-1

EN55103-1

……

Magnetic wave: 9kHz-30MHzElectric wave: 30MHz-40GHz3m method automatic measurement
Power port conducted emissions AMN: 100A9kHz-30MHz
Disturbance power CISPR 14.1 30-300MHzClamp positioner L=6m
Radiated electromagnetic disturbances CISPR 15 9kHz – 30MHzφ2m Large loop antenna
Harmonic current / Voltage fluctuation IEC61000-3-2IEC61000-3-3 <16A
ESD IEC61000-4-2 +’/- 30kVAir/ Contact DischargeHorizontal / Vertical Coupling Plane
EFT / burst IEC61000-4-4 +’/- 6kV1φ/3φ AC380V/50AClamp
Surge IEC61000-4-5 +’/- 7.5kVCombination1φ,

50ADC/100A

Conducted Immunity IEC61000-4-6 0.15-230MHz30VAM/PM

M1, M2-M5/50A, Telecom T2/T4, Shield USB

Power frequency magnetic field IEC61000-4-8 100A/m50/60Hz1.2 × 1.2 × 1.2m Helmholtz Coil

2.0 × 2.5m Oneturn Coil

Introduction to Bluetooth Technology

The EMC standard system framework of most international organizations adopts the standard classification system of the International Electrotechnical Commission (IEC), which is divided into three categories: basic standards, general standards, and product standards. Among them, product standards are further divided into series product standards and special product standards. Each type of standard includes both interference and anti-interference standards. EMC standards are adopted in accordance with the order of “special product standards → product standards → general standards”.

Common Product Category Standards domestic standard international standard
Lighting GB17743 CISPR15
GB17625.1&2 IEC61000-3-2&3
Home appliances GB4343 CISPR14-1&2
GB17625.1&2 IEC61000-3-2&3
AV audio and video GB13837 CISPR13&20
GB17625.1 IEC61000-3-2
IT information GB9254 CISPR22
GB17625.1&2 IEC61000-3-2&3
multimedia GB/T 9254.1-2021 CISPR32
GB17625.1&2 IEC61000-3-2&3
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Frequently asked questions

Answer: Starting the certification process is straightforward. First, please submit a preliminary consultation form through our website describing the type of product and services you need. Following that, one of our experts will contact you to discuss your specific needs and provide a customized solution and quote.

Answer: If your product does not pass the initial testing, we will provide a detailed feedback report indicating non-conformities and suggest improvements. You can then make the necessary adjustments and resubmit your product for retesting. We also offer technical support and guidance throughout the process to help you address any issues.

Answer: Yes, we offer expedited services. If you need to complete testing or certification within a shorter timeframe, you can choose our expedited service option. Please note that expedited services may incur additional fees. Contact our customer service team in advance to learn about the available options and associated costs.

Answer: Choosing the right certification standard is crucial to ensure that your product can enter the target market. Our technical consultants can help you determine the best certification standards for your product. We consider your product characteristics, requirements for the target market, and any applicable laws and regulations. Feel free to contact us at any time for personalized advice.

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