Custom garment shielding performance testing system
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Standards
The testing system supports compliance with the following standards:
GB 23463-2025 – Protective Clothing for Microwave Radiation
GB/T 33615-2017 – Methods for Testing Electromagnetic Shielding Performance of Garments
DIN 32780-100 – Protective Clothing, Part 100: Electromagnetic Field Protection in 80 MHz–1 GHz Range
IEC 61000-4-3 – Testing and Measurement Techniques for Radiated RF Electromagnetic Fields
ISO 105-X12 – Textiles: Color Fastness to Electromagnetic Effects (Reference for material durability)
Parameters
| Parameter | Specification |
|---|---|
| Test Object | Protective garments, including finished products and key raw materials |
| Test Environment | Semi-anechoic chamber with low electromagnetic interference |
| Frequency Range | 80 MHz – 1 GHz (standard) |
| Measurement Points | Head, chest, abdomen of manikin |
| Sensors | Embedded EMF receiving sensors in manikin |
| Radiation Source | Signal amplifier with directional transmitting antenna |
| Shielding Effectiveness Measurement | Vector Network Analyzer (VNA) |
| Environmental Conditions | Controlled temperature and humidity to minimize measurement variability |
| Data Output | Real-time attenuation curves and shielding performance reports |
| Power Supply | AC 220V, 50/60 Hz |
| Footprint | Chamber and system optimized for laboratory installation |
Features
Realistic simulation of human exposure using test manikin
Semi-anechoic chamber minimizes external electromagnetic interference
High-precision vector network analyzer measures shielding effectiveness accurately
Multi-point measurement captures shielding at head, chest, and abdomen
Supports evaluation of raw materials, components, and finished garments
Integrated software for data acquisition, analysis, and automatic report generation
Capable of long-term performance evaluation including wash and abrasion tests
Test Procedures
Sample Preparation
Include finished garments and critical raw materials to evaluate both overall and component-level shielding.
Ensure garments are properly mounted on the manikin with sensors correctly positioned.
Environmental Control
Conduct testing in a low-noise, semi-anechoic chamber to minimize external electromagnetic interference.
Measurement
Activate the electromagnetic radiation source and record real-time attenuation at head, chest, and abdomen using the manikin sensors.
Use the Vector Network Analyzer to measure shielding effectiveness across the target frequency range.
Durability Assessment
Optionally perform wash, friction, and other stress tests on the garment before re-evaluating shielding performance.
Data Recording
Analyze and record results with integrated software, generating performance curves and standardized reports.
Maintenance Information
Regularly inspect and calibrate the vector network analyzer and sensors to ensure accuracy
Maintain semi-anechoic chamber cleanliness and check shielding integrity periodically
Verify signal amplifier and antenna operation before each test
Ensure environmental sensors are functional and provide accurate temperature and humidity readings
Store manikin and sensitive components properly when not in use to prevent mechanical or electrical damage
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