HEPA/ULPA filter scanning test bench
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Application
(1) HEPA and ULPA Filter Classification: Determine filter grade and performance.
(2) Standard-Compliant Testing: Conduct tests according to ISO 29463 and EN 1822 standards.
(3) Quality Control and Production Assurance: Integrate into filter production lines for real-time quality verification.
Standards
The system supports and complies with the following standards:
(1) GB/T 14295-2019 – Air filters.
(2) GB/T 13554-2020 – High-efficiency air filters.
(3) GB/T 6165-2021 – HEPA filter performance: efficiency and resistance.
(4) ISO 29463-4 – HEPA filter leakage testing.
(5) ISO 29463-5 – HEPA filter overall separation efficiency testing.
(6) EN 1822-4 – HEPA filter leakage testing.
(7) EN 1822-5 – HEPA filter overall separation efficiency testing.
(8) ISO 14644-3 – Cleanroom air filtration system testing.
(9) IEST-RP-CC034 – Standardized HEPA and ULPA filter testing.
Parameters
| Parameter | Unit | Value |
|---|---|---|
| Test Flow Rate | m³/h | 120 – 5000 |
| Differential Pressure Measurement | Pa | 1000 |
| Test Sample Dimensions | mm | Max 1830 × 1220 × 300 |
| Aerosol Operating Medium | – | DEHS, PSL |
| Gas/Air Supply | bar | 6 |
| Power Supply | – | 3 × 400 VAC, 100 A |
Accessories
| Accessory | Quantity |
|---|---|
| Filter Media Test Instrument | 1 |
| Filter Adapter | 1 |
| Test System Software | 1 |
Test Principle
Sample Installation: The filter is mounted in the filter holder, ensuring a secure fit.
Aerosol Generation & Flow: Aerosol (DEHS or PSL) is introduced at a controlled volume through the filter.
Leakage and Efficiency Measurement: Downstream particle concentration is measured via particle counters to calculate overall filtration efficiency and identify potential leaks.
Automated Data Collection: PC-controlled software records upstream and downstream particle counts and calculates efficiency and leakage locations.
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