How to Choose an EMC Test Laboratory

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Update time : 2026-09-10

Electromagnetic Compatibility (EMC) testing refers to the ability of equipment or a system to function satisfactorily in its electromagnetic environment without introducing intolerable electromagnetic disturbances to any equipment in that environment.

How do you choose a suitable EMC laboratory for testing?

First, you should focus on the product's compliance standards and verify whether the laboratory possesses CMA and CNAS qualifications, as well as whether it is an ISO/IEC 17025 authorized laboratory.

All equipment in our EMC laboratory is selected from cutting-edge EMC instruments manufactured by internationally renowned brands such as R&S (Germany), EMTEST (Switzerland), and AR (USA). This provides powerful hardware support to ensure the absolute accuracy of test results. Currently, the EMC laboratory is equipped with two 3-meter standard semi-anechoic chambers, three shielded test rooms, two sets of electromagnetic emission testing systems, two sets of electromagnetic immunity testing systems, four sets of wireless communication equipment testing systems, and various other testing devices. This allows us to provide customers with one-stop emc testing services.

Our Testing Services

EMC single-item test site rental services;
EMI, EMS, RF testing, and test report issuance;
Assisting customers in applying for and obtaining product certifications such as CE, FCC, E/e-Mark, VCCI, and CCC;
EMC countermeasure and rectification services;
EMC consultation, guidance, and training for product design;
Consultation and training on national standards and regulations.

Standards and Regulatory Requirements

Standard	Scope
en 61000-4-4, IEC 801-4, IEC 61000-4-4	Electrical fast transient/burst immunity
EN 61000-4-16, IEC 61000-4-16	Conducted, common mode continuous disturbances (DC to 150 kHz)
EN 61000-4-6, IEC 61000-4-6	Immunity to conducted disturbances induced by radio-frequency fields
EN 61000-4-2, IEC 61000-4-2	Electrostatic discharge (ESD)
EN 61000-4-8, IEC 61000-4-8	Power frequency magnetic field
EN 61000-4-9, IEC 61000-4-9	Pulse magnetic field
EN 61000-4-3, IEC 61000-4-3	Pulse magnetic field (Note: Typically represents Radiated RF Immunity)
EN 61000-4-5, IEC 61000-4-5	Surge
EN 61000-4-11, IEC 61000-4-11	Voltage dips, short interruptions, and voltage variations
fcc part 15	Products containing unintentional and intentional radiators
fcc part 18	Industrial, Scientific, and Medical (ISM) equipment
EN 55011, IEC/CISPR 11, GB 4824	electromagnetic interference testing for industrial, medical, and scientific products
EN 55013, IEC/CISPR 13, GB 13837	Electromagnetic interference testing for audio/video and broadcasting products
EN 55020, IEC/CISPR 20, GB 9383	Electromagnetic immunity testing for audio/video and broadcasting products
EN 55014-1, IEC/CISPR 14, GB 4343.1	Electromagnetic interference testing for household appliances
EN 55014-2, GB 4343.2	Electromagnetic immunity testing for household appliances
EN 55015, IEC/CISPR 15, GB 17743	Electromagnetic interference testing for lighting products
EN 61547, GB/T 18595	Electromagnetic immunity testing for lighting products
EN 55022, IEC/CISPR 22, VCCI V-3, GB 9254	Electromagnetic interference testing for information technology equipment
en 55024, IEC/CISPR 24, GB/T 17618	Electromagnetic immunity testing for information technology equipment
EN 62040-2	Uninterruptible power systems (UPS) - Part 2: Electromagnetic compatibility requirements
EN 61000-6-1, GB/T 17799.1	Electromagnetic immunity testing for products in residential, commercial, and light-industrial environments
EN 61000-6-2, GB/T 17799.2	Electromagnetic immunity testing for products in industrial environments
EN 61000-6-3, GB 17799.3	Electromagnetic interference testing for products in residential, commercial, and light-industrial environments
EN 61000-6-4, GB 17799.4	Electromagnetic interference testing for products in industrial environments
EN 60555-2, EN 61000-3-2, GB 17625.1	Power supply harmonic current testing
EN 60555-3, EN 61000-3-3, GB 17625.2	Voltage fluctuation and flicker testing

Main emc testing Items

EMI (Electromagnetic Interference) Testing

Conducted Emission (CE) at power mains
Conducted Emission (CE) at signal and control lines
Voltage fluctuations and flicker
Radiated Emission (RE)
Harmonic current
Transient emissions (for automotive components)

EMS (Electromagnetic Susceptibility) Testing

Electrostatic Discharge (ESD) immunity
Electrical Fast Transient/burst (EFT) immunity at power ports
Electrical Fast Transient/burst (EFT) immunity at signal and control lines
Conducted coupling / transient immunity along power lines (for automotive components)
Conducted coupling / transient immunity along signal and control lines (for automotive components)
Surge and lightning immunity at signal and control lines
Enclosure Radiated Susceptibility (RS); Radiated field immunity testing in Transverse Electromagnetic (TEM) cells (for automotive components)
Bulk Current Injection (BCI) immunity (for automotive components); Stripline immunity (for automotive components)
Conducted Susceptibility (CS) at power ports
Conducted Susceptibility (CS) at signal and control lines
Voltage Dips and Interruptions (DIP) testing at power ports