High Precision Filter Element Test Machine
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Standards
This system meets the requirements of:
(1) GB/T 14295-2019 – Air filters.
(2) GB/T 13554-2020 – High-efficiency air filters.
(3) GB/T 6165-2021 – HEPA filter performance testing: efficiency and resistance.
(4) ISO 29463-4 – High-efficiency air filter performance.
(5) ISO 16890 – Air filter performance standard.
(6) EN 1822 – HEPA and ULPA filter performance testing.
(7) ISO 5011 – Engine air intake filter testing.
Principle
A defined volumetric flow rate is sucked by a controlled blower from the environment through a HEPA inlet filter, the test duct and a safety filter. The test duct is composed of three functional sections, i.e., sections for i) the generation and characterisation of the test aerosol (upstream aerosol), ii) the incorporation of the test specimen (specimen adapter) and iii) the characterisation of the downstream aerosol.
Technical data
| Parameter | Unit | Value |
|---|---|---|
| Test flow rate | m³/h | 40 … 440 (up to 1200 optional) |
| Measuring range, particle size (OPC) | µm | 0.1 … 1.0 |
| Measuring range, particle size (CPC) | µm | 0.001 … 1.0 |
| Test cycle duration | s | approx. 30 |
| Test aerosol | – | Customer-specific (e.g., DEHS or others) |
| Dimensions of test specimen | – | Diameter ≤ 300 mm; Length ≤ 850 mm |
| Compressed air supply | bar | 4.0 … 6.0 |
| Power supply | – | 3 × 400 VAC, hard-wired; rated current 30 A; pre-fuse 32 A |
| Inner diameter of duct | mm | 150 |
| Aerosol-analytical instruments | – | Customer-specific (e.g., OPC, CPC, etc.) |
| Integrated sensors | – | Temperature, relative humidity, air pressure |
| Dimensions (W × H × D) | mm | 2800 × 2100 × 1200 |
| Weight | kg | approx. 800 |
Features
24/7 Operation: Automated safety features for continuous production.
Short Test Cycle: Complete aerosol supply, analysis, and sample removal within ~30 seconds.
Flexible Quality Standards: Adjustable separation efficiency and pressure drop thresholds.
Minimal Sample Load: Reduces stress on test samples, extending product life.
High Automation and Efficiency: Minimizes operator intervention, improves throughput.
Full Traceability: Barcode/QR code integration ensures complete production tracking.
Benefits
test system designed for 24/7 operation with automated safety functions
short test cycles (supply, analysis, removal) for separation efficiency and pressure drop
quality criteria for separation efficiency and pressure drop are freely configurable
minimal loading of test specimen (higher lifetime of products)
Accessories
| Accessory | Quantity |
|---|---|
| Aerosol Particle Spectrometer | 1 |
| Custom Filter Adapter | 1 |
| Test System Software | 1 |
Operation Instructions
System Startup:
- Ensure all devices are operational (aerosol generator, particle counters, fans).
- Calibrate aerosol measurement instruments and configure test parameters.
Testing Process:
- Start the test; the system automatically generates aerosol and measures separation efficiency and pressure drop.
Data Recording and Reporting:
- The system software generates and stores test reports, including separation efficiency, pressure drop, and relevant quality data.
Experimental Procedure
Preparation Stage:
- Verify all instruments and devices are ready and calibrated.
- Install the filter element in the custom adapter and confirm settings.
Testing Stage:
- Automated measurement of aerosol concentration, particle filtration efficiency, and pressure drop occurs.
Result Analysis and Reporting:
- Reports are automatically generated, including key metrics and compliance with production quality standards.
Maintenance Information
Regularly check aerosol generators, particle counters, and sensors.
Ensure software and database connections are functioning properly.
Maintain clean ducts and adapters to guarantee measurement accuracy.
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