| Test area | 100 cm² |
|---|---|
| Aerosols | NaCl / KCl / DEHS / paraffin oil (depending on model) |
| Flow range | 0–99 L/min |
| Differential pressure | 0–1000 Pa |
| Particle-size channels | multi-channel OPS (size ranges vary by model) |
| Dimensions | 750 × 750 × 1500 mm |
| Power supply | AC 220 V |
• Automatic calculation of efficiency, resistance, and multi-size curves
• Real-time monitoring of airflow, differential pressure, and aerosol concentration
• Intelligent prompts and alarms
• Data logging, user permissions, and one-click reporting
• Batch statistics (average, max, min, deviation)
DEHS or NaCl aerosol is diluted, mixed, and neutralized before passing through the media. Upstream and downstream concentrations are measured to compute filtration efficiency and resistance across multiple particle sizes.
Multi-size efficiency testing is supported (size ranges vary by model). On the 1406DU-Pro, MPPS is determined from the 0.1–0.3 μm multi-size efficiency results (exclusive to 1406DU-Pro).
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