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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