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Children's toy testing
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返回Testing Services
- EU RED Network Security Standard EN 18031
- Wireless and communication detection
- Mobile communication product certification
- Bluetooth BQB Product Certification
- FM/AM Product Certification
- WiFi Product Certification
- Wireless charging product certification
- Interphone product certification
- Base station certification
- SAR testing
- Receiver Product Certification
- 5G NR Product Certification
- UWB Product Certification
- Internet of Things authentication
- Electrical performance testing
- EMS testing - radiation anti-interference testing system (including radar waves)
- EMS Testing - Electrostatic Discharge
- EMS Test - Transient Conducted Immunity Test
- EMS Testing - Portable Transmitter Immunity
- EMS Test - High Current Injection (BCI) Test
- EMS test - low-frequency magnetic field anti-interference test
- EMI Testing - Transient Conducted Emissions Testing System
- EMI testing - low-frequency magnetic field emission
- EMI Test - Radiation Emission Test
- EMI Test - Conducted Emissions Test
- Automotive Electronic Testing
- Automotive ELV&VOC
- Reliability testing
- Temperature shock test
- Vibration testing
- Temperature shock/cold and hot shock test
- Instrument panel/instrument panel three comprehensive vibration test
- Comprehensive vibration test of door inner panel III
- Sunvisor Three Comprehensive Vibration Test
- Spoiler Three Comprehensive Vibration Test
- Three comprehensive vibration tests of car front and rear bumpers
- Three comprehensive vibration tests for lamp housing/lampshade
- Comprehensive vibration test of outer circumference three
- Automotive metal material testing
- Performance testing of automotive lighting fixtures
- Rapid temperature change test
- Vibration
- Common issues with vibration testing
- Common issues with fatigue testing
- Common issues with high and low temperature testing
- Conducted Interference (CE) - Suzhou Lixun Standard
- Conducted Immunity Test (CS) - Suzhou LCS Standard
- Electromagnetic Radiation Tolerance Test (RS) - Suzhou LCS Standard
- Electrical Fast Pulse Withstand Test (EFT) - Suzhou LCS Standard
- Voltage flicker test - Suzhou LCS standard
- Introduction to PFAS Testing
- MOSH/MOAH Mineral Oil Testing Service
- MOSH/MOAH Mineral Oil Testing and Certification Report Service
- Automotive ELV&VOC
- Consumer Product Testing Services - WEEE Chapter
- Consumer Product Testing Services - CA 65
- Consumer Product Testing Services - SDS Section
- Consumer Product Testing Services - TSCA Section
- Consumer Product Testing Services - CPSIA Section
- Consumer Product Testing Services - POPs Section
- Consumer Product Testing Services - REACH Restricted Substances Section
- Consumer Product Testing Services - REACH SVHC Section
- Consumer Product Testing Services - RoHS Chapter
- Ecological textile testing
- Leather Footwear Inspection
- Food contact material testing
- Testing of toys and baby products
- Hazardous substance testing
- Other tests - pencil hardness test
- Other tests - Alcohol abrasion test
- Other tests -100 grid test
- Other tests - Paper tape wear test
- Other inspections - bending tests
- Other tests - tensile testing
- Other tests - Drum drop test
- Other tests - Voltage withstand test
- Mechanical testing - Packaging compression test
- Mechanical testing - Drop test
- Mechanical inspection - mechanical shock test
- Mechanical testing - Three comprehensive vibration tests
- Mechanical testing - Vibration testing
- Climate environment testing - Xenon lamp aging test
- Climatic environment testing - UV ultraviolet test
- Climate Environmental Testing - Low Pressure Test
- Climatic environment testing - IP level (waterproof and dustproof test)
- Climatic Environmental Testing - Salt Spray Test
- Climatic Environmental Testing - Walkthrough Temperature Test
- Climatic environment test - cold and hot shock test
- Climate environment testing - rapid temperature change test
- Climatic environmental testing - alternating damp heat test
- Climate environment testing - Temperature cycling test
- Climatic Environmental Testing - High Temperature Testing
- Climatic Environmental Testing - Low Temperature Testing
- Reliability testing
- Inspection of ship lighting fixtures
- COI Index Test for Medical Indoor Lighting
- Lamp safety inspection
- Luminaire energy efficiency testing
- EMC testing of lighting fixtures
- Integral Ball Laboratory
- Photobiology Experiment
- Light distribution test
- Lamp aging test
- Lamp IP waterproof
- Lamp performance testing
- Lamp reliability testing
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Address: Shenzhen City, Baoan District, Shajing Street, Nga side of the school of Wei Juji Industrial Park, Building A 1 ~ 2 floor, Building C 3 floor
EMS Testing - Electrostatic Discharge
Purpose of the test:
Test the immunity of the sample to static electricity
Test Criteria:
ISO 10605, electrostatic testing of major car manufacturers
Test Capability:
Meet the requirements of the car factory for electrostatic discharge, and the strength reaches 30kV. It also matches four resistance-capacitance networks. IEC 61000-4-2 (150pF/330 Ohm) ISO 10605 (150pF/2000 Ohm, 330pF / 2000 Ohm, 330pF/330 Ohm)
EMS Testing - Detailed Explanation of Electrostatic Discharge (ESD) Immunity Testing
Electrostatic discharge immunity testing is one of the core items of EMS (Electromagnetic Immunity) testing, aimed at evaluating the tolerance of electrical and electronic equipment or systems to external electrostatic discharge events. Here are the key points:
1、 Testing standards and methods
International standards:
IEC 61000-4-2: specifies test levels, waveforms, equipment layout, and methods for evaluating results.
GB/T 17626.2: Equivalent to IEC 61000-4-2, applicable to domestic products in China.
ISO 10605: Specialized standard for automotive electronics.
Testing method:
Contact discharge: Apply discharge to the conductive surface of the device, simulating direct human contact.
Air discharge: Simulate discharge on insulation surfaces or gaps, simulating human discharge through air.
Test level:
Contact discharge: ± 4kV (information technology equipment).
Air discharge: ± 8kV (for information technology equipment).
2、 Testing process
Preparation stage:
Place the device under test (EUT) on an insulated support and connect it to the grounding reference plane.
Set up testing environment: temperature (23 ± 5) ℃, humidity (45-75)% RH.
Test execution:
Simulate the discharge waveform of the human body metal model (HBM) using an electrostatic discharge generator (ESD Gun).
Monitor EUT functional parameters (such as communication signals, screen displays, etc.).
Performance criteria:
Grade A: During and after testing, all functions meet the design specifications.
B-level: Function temporarily degraded during testing, automatically restored after testing.
C-level: Function degradation during testing, requiring manual intervention for recovery.
3、 Testing equipment and environment
Equipment:
Electrostatic discharge generator: Output voltage range ± 0.2kV - ± 30kV.
Grounding reference plane: with an area of 2m × 2m, thin copper strips are used for grounding.
Horizontal coupling plate (HCP) and vertical coupling plate (VCP): used to construct standard test bench layouts.
Environment:
Radio anechoic chamber: Shielding external interference.
Reverberation chamber: Simulate complex electromagnetic environments.
4、 Typical Applications and Improvements
Car navigation:
Problem: RF radiation causes positioning drift and screen flickering.
Rectification: Block the radiation coupling path, optimize shielding and grounding.
ECU module:
Problem: High frequency band (800MHz~2GHz) GPS/Bluetooth communication packet loss.
Rectification: Enhance the anti-interference capability of sensitive circuits and add filtering circuits.
5、 Test result evaluation
Grade A: During and after testing, all functions meet the design specifications.
B-level: Function temporarily degraded during testing, automatically restored after testing.
C-level: Function degradation during testing, requiring manual intervention for recovery.
Summary: Electrostatic discharge immunity testing is a key step in ensuring the stable operation of equipment under electromagnetic interference. It is necessary to strictly follow international and national standards and optimize them based on practical application scenarios.
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