Vacuum cleaner filter efficiency test equipment
The vacuum cleaner filter efficiency test equipment primarily employs a self-developed control system, coupled with imported laser particle counting. It comprehensively evaluates and tests the dust separation capability of vacuum cleaners through upstream and downstream test data. A dust generator is used to evenly distribute dust into a 100mm diameter suction duct, which then draws the dispersed floating dust into the test chamber. A standard diameter exhaust duct and relevant dust particle size sampling devices are installed on the top of the test chamber. Filtration efficiency is analyzed and calculated using the upstream and downstream sampling devices and the control system.
Application
This testing equipment is designed for evaluating the filtration efficiency of vacuum cleaners, air purifiers, and industrial filtration systems. It is suitable for:
Quality control during production
Laboratory research on filter performance
Performance testing of HEPA and ULPA filters
Comparative evaluation of different dust types and particle sizes
The system measures upstream and downstream particle concentrations to determine the dust separation efficiency accurately. It is ideal for scenarios requiring standardized, repeatable testing of filter media and complete devices.
Standards
The equipment is designed to comply with international and industry standards:
ASTM F1977 – Standard test method for initial fractional filtration efficiency of vacuum cleaner systems
ASTM F3150 – HEPA filtration system performance for residential and commercial vacuum cleaners
EN 1822‑1 / ISO 29463 – Classification and testing of high-efficiency particulate air filters (HEPA/ULPA)
ASHRAE 52.2 – Air filter efficiency testing in ventilation applications (particle size 0.3–10 µm)
EN 60312-1:2017 - Standard test method for initial fractional filtration efficiency of vacuum cleaner systems
Feature
High Precision & Reliability: Uses imported laser particle counter; upstream and downstream measurements ensure accurate filter efficiency evaluation
Visual Observation: Test hood equipped with a viewing window for real-time monitoring
Data Export: USB output allows easy reporting and documentation
Flexible Testing: Compatible with multiple aerosol types (DEHS, NaCl, Pural, etc.) for diverse testing scenarios
Automated Operation: PLC-controlled industrial computer automates testing procedures, simplifying operation and improving repeatability
Parameters
| Parameter | Unit | Value |
|---|---|---|
| Measurement range (particle size) | µm | 0.3 … 10 |
| Measurement range (CN count) | particles/cm³ | < 1 … 1.000.000 |
| Power supply | – | 220 V, 50/60 Hz, 1.5 kW |
| Filter efficiency calculation | – | Laser particle counter |
| Control system | – | 17" touch industrial computer, Mitsubishi PLC |
| Particle counting method | – | Upstream and downstream synchronization |
| Dust generator | – | Vacuum dispersion technology |
| Test hood dimensions (W × D × H) | mm | 1100 × 600 × 1400 |
| Test hood weight | kg | approx. 170 |
| Gas filtration technology | – | High Efficiency Filter (HEPA) |
| Equipment dimensions (W × D × H) | mm | 1850 × 820 × 2250 |
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