What kind of electromagnetic compatibility testing project does the product do? It is a headache and confusion for many enterprises, where they misunderstand standards, miss testing projects, or have no idea what their own products need to be tested
Below is a summary of the main testing items and corresponding standards for electromagnetic compatibility of commonly used product equipment, for reference by enterprises and individuals
Electromagnetic compatibility testing items and standards for electronic and electrical products
Voltage changes, voltage fluctuations, and flickering
Electromagnetic compatibility
; Part 3-3: Limits - Limitations on voltage changes, voltage fluctuations, and flickering in public low-voltage power supply systems for equipment with a rated current of no more than 16A per phase and without the need for conditional connection; IEC 3-3:Electrostatic discharge immunity
Electromagnetic compatibility testing and measurement techniques Electrostatic discharge immunity test
; GB/T. 2-Electromagnetic Compatibility; Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test; IEC 4-2:
< p> Radio frequency electromagnetic field radiation immunityElectromagnetic compatibility testing and measurement techniques
Radio frequency electromagnetic field radiation immunity test; GB/T. 3-Electromagnetic Compatibility; Part 4-3: Testing and measurement techniques - Immunity tests for radiation, radio frequency, and electromagnetic fields; IEC 4-3:
< p> Electromagnetic compatibility testing and measurement techniques for electrical fast transient pulse group immunityElectrical fast transient pulse group immunity test
; GB/T. 4-Electromagnetic Compatibility - Part 4-4: Testing and Measurement Techniques - Electrical Fast Transient Pulse Group Immunity Test; IEC -4:
< p> Surge (Impact) ImmunityElectromagnetic Compatibility Testing and Measurement Techniques Surge Immunity Test; GB/T. 5-
Electromagnetic Compatibility - Part 4-5: Testing and Measurement Techniques - Impact Immunity Test; IEC 4-5:
< p> Immunity to conducted disturbances induced by radio frequency fieldsElectromagnetic compatibility testing and measurement techniques
Immunity to conducted disturbances induced by radio frequency fields; GB/T. 6-Electromagnetic Compatibility - Part 4-6: Testing and Measurement Techniques - Immunity to Conducted Disturbances Induced by Radio Frequency Fields IEC 4-6:
< p> Immunity to voltage dips, short interruptions, and voltage changesElectromagnetic compatibility testing and measurement techniques Immunity tests for voltage dips, short interruptions, and voltage changes
; GB/T. 11-Electromagnetic Compatibility - Part 4-11: Testing and Measurement Techniques - Immunity Tests for Voltage Dips, Short Interruptions, and Voltage Variations; IEC-4-11:
< p> Ringing wave immunity testElectromagnetic compatibility test and measurement technology Ringing wave immunity test
; GB/T. 12-Electromagnetic Compatibility - Part 4-12: Testing and Measurement Techniques - Ringing Wave Immunity Test; IEC-4-12:
< p> Damping oscillation wave immunity testElectromagnetic compatibility Part 4-18: Testing and measurement techniques Damping oscillation wave immunity test
; IEC 4-18:Power frequency magnetic field immunity
Electromagnetic compatibility testing and measurement techniques Power frequency magnetic field immunity test
; GB/T. 8-Electromagnetic Compatibility - Part 4-8: Testing and Measurement Techniques - Power Frequency Magnetic Field Immunity Test; IEC 4-8:
< p> Immunity to voltage dips, short interruptions, and voltage changes at the input port of DC power supplyElectromagnetic compatibility testing and measurement techniques
Immunity test for voltage dips, short interruptions, and voltage changes at the input port of DC power supply; GB/T. 29-Electromagnetic Compatibility; Part 4-29: Testing and measurement techniques - Immunity tests for voltage dips, short interruptions, and voltage changes at the DC input power supply terminal; IEC 4-29:
< p> Electromagnetic Compatibility Testing and Measurement Techniques for Low Frequency Immunity of AC Power Port Harmonics, Interharmonics, and Grid SignalsElectromagnetic Compatibility Testing and Measurement Techniques for Low Frequency Immunity of AC Power Port Harmonics, Interharmonics, and Grid Signals
; GB/T. 13-Electromagnetic Compatibility - Part 4-13: Testing and Measurement Techniques - Low frequency Immunity Test for Harmonics and Interharmonics of AC Port Power Supply Signals; IEC 4-13:
< p> Voltage fluctuation immunityElectromagnetic compatibility testing and measurement techniques Voltage fluctuation immunity test
; GB/T. 14-Electromagnetic Compatibility Testing and Measurement Techniques - Part 4-14: Voltage Fluctuation Immunity Test; IEC 4-14:
< p> Immunity to changes in power frequencyElectromagnetic compatibility testing and measurement techniques
Immunity to changes in power frequency; GB/T. 28-Electromagnetic Compatibility - Part 4-28: Testing and Measurement Techniques - Power Supply Frequency Variation and Immunity Testing for Equipment with Input Current ≤ 16A/Phase; IEC 4-28:
< p> DC power input port ripple immunity testElectromagnetic compatibility testing and measurement technology DC power input port ripple immunity test
; GB/T 17-Electromagnetic Compatibility Testing and Measurement Techniques - Part 4-17: Ripple Immunity Test for DC Power Input Ports; IEC 4-17:
< p> Electromagnetic compatibility testing and measurement techniques for voltage dips, short interruptions, and voltage changes of equipment with a main power supply current greater than 16A per phase. Immunity testing for voltage dips, short interruptions, and voltage changes of equipment with a main power supply current greater than 16A per phase; GB/T. 34-Electromagnetic Compatibility; Part 4-34: Testing and measurement techniques - Voltage dips, short interruptions, and voltage variations immunity tests for equipment with a main current greater than 16A per phase; IEC 4-34:
< p> Voltage changes, voltage fluctuations, and flickeringElectromagnetic compatibility; Part 3-11: Limits for voltage changes, voltage fluctuations, and flicker in public low-voltage power supply systems. Equipment with a rated current ≤ 75A and conditional connection required; IEC 3-11:
Harmonic currents
Electromagnetic compatibility - Part 3-12: Limits - Limits for harmonic currents generated by equipment connected to public low-voltage systems with input currents>16A and ≤ 75A per phase; IEC 3-12:
Pulse magnetic field immunity
Electromagnetic compatibility testing and measurement techniques Pulse magnetic field immunity test
; GB/T. 9-IEC 4-9:Damping oscillation magnetic field immunity
Electromagnetic compatibility testing and measurement techniques Damping oscillation magnetic field immunity test
; GB/T. 10-IEC -4-10: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 problemsBaijian 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 requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. 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