ISO 29463 HEPA/ULPA filter performance testing System
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Standards
The system supports and complies with:
(1) GB/T 13554-2020 – High-efficiency air filters.
(2) GB/T 6165-2021 – HEPA filter performance: efficiency and resistance.
(3) EN 1822-3 – HEPA and ULPA filter testing methods.
(4) EN 1822-4 – Efficiency and leakage test for HEPA filters (0.3–0.5 µm).
(5) ISO 29463-4 – HEPA/ULPA filter performance standard.
(6) ISO 29463-3 – HEPA/ULPA filter design, performance, and acceptance testing.
Parameters
| Parameter | Unit | Value |
|---|---|---|
| Test Flow Rate | m³/h | 25 … 130 |
| Test Cycle | s | 30 |
| Differential Pressure Range | Pa | 0 … 3000 (±1% final value) |
| Test Sample Dimensions | mm | Max 300 × 300 × 300 |
| Power Supply | – | 3 × 400 VAC, 50/60 Hz, 16 A |
| Operating Gas/Air | – | Custom (DEHS, paraffin oil, NaCl, etc.) |
| Particle Measurement | – | Particle counter (4 or 8 channels) with vacuum pump |
| Other Sensors | – | Temperature, relative humidity, barometric pressure |
| System Dimensions (W × H × D) | mm | 2000 × 1500 × 1000 |
| Weight | kg | approx. 600 |
Features
Configurable Target Efficiency and Pressure Drop: Freely set for each filter element according to production requirements.
Custom Filter Adapters: Adaptable to different small HEPA elements, quick change (~5 minutes).
Compact Design: Small footprint suitable for production environments.
High Automation: Minimal operator intervention, fast test completion.
24/7 Production Support: Suitable for continuous manufacturing operations.
Fast Test Cycle: 30 seconds per filter element ensures high throughput.
Safety Features: Complete protection for production environments.
Traceable Data Management: Test results are recorded and reports generated for quality tracking.
Accessories
| Accessory | Quantity |
|---|---|
| Aerosol Generator | 1 |
| Particle Counter (4 or 8 channels) | 1 |
| Self-Regulating Dilution System | 1 |
| Test Filter Adapter | Customized per filter element |
| Temperature & Humidity Sensor | 1 |
Test Principle
Overall Efficiency Testing:
DEHS aerosol is generated upstream; particle concentrations are measured upstream and downstream.
Upstream concentration is measured with an optical particle counter and adjusted via the dilution system.
Downstream concentration is measured similarly; overall efficiency is calculated and compared to nominal target.
Efficiency Comparison:
Overall measured efficiency is compared with target efficiency to quickly classify “pass” or “fail.”
Differential Pressure Measurement:
Measures pressure drop across the filter element, generating pressure curves and dust loading capacity data to ensure stable performance at different flow rates.
Operation Instructions
System Startup:
- Check connections (air, power, aerosol generator).
- Set target efficiency, pressure drop, and other test parameters.
- Start the test program.
Testing Process:
- Install small HEPA filter elements into custom adapters.
- System automatically conducts efficiency and differential pressure tests.
Data Recording and Reporting:
- Upon test completion, results are stored in the database.
- Generate detailed reports supporting quality traceability.
Experimental Procedure
Preparation:
- Configure test parameters (target efficiency, flow rate).
- Install filter elements in adapters.
- Verify aerosol generator and particle counters are operational.
Testing:
- System automatically measures differential pressure, efficiency, and dust loading.
- Upstream and downstream particle concentrations are recorded.
Result Processing:
- System provides “pass/fail” results and generates detailed reports.
Maintenance Information
Regularly check aerosol generators and particle counters.
Calibrate sensors periodically.
Keep the system clean to maintain accurate measurements.
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