Filter Efficiency Testing Equipment

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Whats/App: +86 185 0176 3615

Web: qinsun-lab.com

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.

Applications

• General ventilation air filters

• HVAC system filters and filter media

• High-efficiency particulate air (HEPA) filters

• Protective masks and respirators with filter elements

• Medical and industrial filtration products

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

• Stable cold aerosol generation for consistent test conditions

• Simultaneous upstream and downstream particle measurement

• High-precision laser particle detection ensures accurate data

• Differential pressure measurement enables reliable resistance evaluation

• Designed to meet a wide range of international filtration standards

• 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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