Primary and Medium Efficiency Filter Performance Test Bench
The system operation is controlled by a programmable logic controller (PLC). Measurement values are collected, processed, and stored by a computer, allowing real-time analysis of data and test results. The system realizes fully automated control, including automatic measurement, automatic recording, and automatic storage of test reports (dust holding capacity testing requires manual weighing).Application Scope
Filtration efficiency testing of general ventilation air filters
Performance testing of HVAC air conditioning system filters
Automotive air conditioning filter performance testing
Industrial clean air filter testing
Air purifier filter element research and development testing
Air conditioning equipment and ventilation system filter component testing
Filter performance testing by third-party inspection institutions
Air filtration technology research in universities and research institutes
Test Standards
GB/T 14295
GB/T 6165
ISO 11155-1
EN 779
System Technical Parameters
| No. | Item | Parameter | Technical Requirement | Remarks |
|---|---|---|---|---|
| 1 | Airflow | Flow range | 450–1500 m³/h | Customizable |
| Measurement error | ≤ ±5% (reading) | EN779 | ||
| Measurement accuracy | ≤ ±3% (reading) | |||
| 2 | Resistance | Measurement range | 0–500 Pa | |
| Measurement accuracy | 0–100 Pa ±3 Pa | |||
| >100 Pa ±5% | EN779 | |||
| 3 | Aerosol uniformity | Duct uniformity | ≤ ±15% | |
| 4 | Initial efficiency repeatability | <40% | ≤ ±30% | |
| 40–60% | ≤ ±15% | |||
| 60–80% | ≤ ±8% | |||
| 80–90% | ≤ ±4% | |||
| 90–99% | ≤ ±2% | GB14295 | ||
| 5 | Counting efficiency range | 40%–99.95% |
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