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General Ventilation Test Bench

The General Ventilation Test Bench is designed to evaluate the performance of general ventilation air filters. Based on ISO 16890-2016, the system measures filtration efficiency across particle sizes from 0.3 μm to 10 μm, using both oily and saline aerosols. Coarse aerosols (artificial test dust) are employed to determine dust holding capacity and final life efficiency. The test bench ensures accurate classification of air filters according to particulate matter efficiency (ePM).

Application

Testing general ventilation air filters in HVAC systems.

Evaluating filter efficiency across PM1, PM2.5, and PM10 ranges.

Determining filter resistance and airflow characteristics.

Measuring dust holding capacity and end-of-life performance.

Laboratory quality control for filter production and certification.

Research and development of ventilation and filtration products.

Standards

ISO 16890-2016 – Air filters for general ventilation.

Applicable international particulate measurement and testing protocols.

Features

Key components from imported brands ensure accurate and stable test data.

Pneumatic sealing fixtures allow fast and secure filter installation.

Rotating pipeline structure simplifies filter placement.

Fluid-dynamics-based pipeline design ensures realistic airflow simulation.

Supports testing with both oily and saline aerosols for comprehensive evaluation.

Capable of measuring dust holding capacity and generating flow-resistance curves.

User-friendly interface with real-time data acquisition.

Technical Parameters

ParameterSpecification
Flow Range 600–5400 m³/h
Measurement Error ±2% or less
Resistance Range 0–500 Pa
Accuracy of Measuring Device 0–70 Pa ≤ ±2 Pa; >70 Pa ≤ ±3%
Aerosol Homogeneity ≤ ±15%
Initial Efficiency Repeatability ±30–40%
Particle Concentration Indication Error 40–60% ≤ ±15%; 60–80% ≤ ±8%; 80–90% ≤ ±4%; 90–99% ≤ ±2%
Efficiency Range ePM1 ≤ 99% (Comprehensive efficiency)
Power Consumption 18 kW
Main Pipeline Square, 610 × 610 mm, 304 stainless steel
Floor Area 13,000 × 2,500 × 2,500 mm (L × W × H)
Filtration Efficiency 1. Filter resistance
2. DEHS counting efficiency (PM1)
3. KCl counting efficiency (PM2.5, PM10)
4. Weighing efficiency
Filtration Resistance Flow-resistance curve
Dust Holding Capacity Final life test of the filter
Counter PALAS Promo2000, sampling flow rate: 5 L/min ±5%

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