Filter Efficiency Testing Equipment
TheFilter Efficiency Testing Equipmentis designed to evaluate filtration efficiency, dust protection performance, airflow resistance, and flow rate of products equipped with filters or filter media. You use this system to generate stable aerosol particles and measure particle concentration upstream and downstream of the test sample under controlled conditions. By combining aerosol generation, particle counting, and differential pressure measurement, the equipment provides reliable data to assess filtration effectiveness and flow resistance in accordance with relevant testing standards and user requirements.
Standards
(1) JG/T 22-1999 Test methods for performance of filters for general ventilation
(2) ANSI/ASHRAE 52.1-1992 Test methods for air cleaning devices for general ventilation
(3) EN 779:2002 Air filters for general ventilation – Determination of filtration efficiency
(4) JIS B 9908:2001 Test methods for ventilation air filter units and motor-driven air cleaners
(5) EN 1822 High efficiency particulate air (HEPA) filters
(6) ISO 29463 High efficiency particle air (HEPA) filters and filter media
(7) GB 2626 Respiratory protective equipment
(8) GB 32610 Technical specification of daily protective masks
(9) YY 0469 Medical surgical masks
(10) GB 19082 Medical disposable protective clothing
(11) GB 19083 Medical protective masks
Features
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Stable cold aerosol generation for consistent test conditions
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Simultaneous upstream and downstream particle measurement
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High-precision laser particle detection ensures accurate data
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Differential pressure measurement enables reliable resistance evaluation
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Designed to meet a wide range of international filtration standards
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Suitable for both research testing and compliance verification
Technical Parameters
| Item | Specification |
|---|---|
| Test Function | Filtration efficiency, flow resistance, and flow rate testing |
| Aerosol Type | Cold aerosol |
| Aerosol Generation | Proprietary aerosol generation device |
| Particle Stability | Continuous and stable output |
| Particle Detection | Laser particle counter |
| Sensor Type | Imported high-precision particle detection sensor |
| Measurement Method | Upstream and downstream simultaneous measurement |
| Pressure Measurement | Differential pressure transmitter |
| Test Results | Filtration efficiency, resistance value, flow rate |
| Control Method | Pressure-regulated airflow |
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