Cleanable Filter Media Test System
Category：Filter Cartridge Filtration Tester
Introduction
The Cleanable Filter Media Test System is designed for characterizing cleanable filter media according to VDI 3926-2. It evaluates filtration performance, dust loading capacity, and separation efficiency of filter materials. The system is compact and suitable for laboratory use, supporting standardised testing for development, optimisation, and quality assurance of filter media.
Application
This system is used for:
Cleanable Filter Media: Testing in accordance with VDI 3926-2.
Filter Material Development: Optimization of new filter media and configurations.
Fractional Separation Efficiency Testing: Determining particle size-dependent filtration efficiency.
Dust Loading Evaluation: Measuring the dust holding capacity of filter media.
Standard-Based Testing: Applicable for ISO 16890, EN 779, ISO/TS 11155-1, DIN 71460-1, and ISO 5011 for small-scale laboratory tests.
Quality Assurance: Monitoring filter performance during production.
Standards
The system complies with:
(1) VDI 3926-2 – Test guideline for cleanable filter media.
(2) ASTM D6830-02 – Laboratory scale air filter test method.
(3) ISO 12103-1 – Standard test dust for filter efficiency evaluation.
(4) ISO 5011 – Air filter testing for engines and machinery.
Parameters
| Parameter | Unit | Value |
|---|---|---|
| Test Flow Rate | m³/h | 2 … 64 |
| Differential Pressure Measuring Range | Pa | – |
| Duration of Pressure Pulse | ms | 50 … 150 |
| Pressure Tank Capacity | bar | 2 … 6 |
| Test Specimen Dimensions | mm | Diameter ≤ 150 |
| Power Supply | – | 3 × 400 VAC, 16 A |
| Operating Medium (Aerosol) | – | Pural-NF, Pural-SB, DEHS |
| Sensors | – | Temperature, relative humidity |
| System Dimensions (W × H × D) | mm | 2800 × 1500 × 800 |
| Weight | kg | approx. 120 |
Features
Standardised Filter Testing: Supports alumina oxide aerosols (Pural NF, Pural SB).
Automated Operation: Up to 14 hours of unattended testing.
Multi-Aerosol Capability: Solid and droplet aerosols supported.
Flexible Design: Rapid modification for future tests and additional features.
Operator-Friendly Control: Intuitive software interface for setup, monitoring, and data logging.
Compact Laboratory Use: Lightweight and portable, suitable for small-scale testing.
Accessories
| Accessory | Description |
|---|---|
| Atomizer Aerosol Generator | Generates fine aerosol for filtration testing |
| Solid Materials Disperser | Produces solid aerosol particles for standardised tests |
| Aerosol Dilution System | Dilutes aerosols to desired concentration |
| Aerosol Spectrometer | Measures particle size distribution and filtration efficiency |
Test Principle
The system draws controlled airflow through filter media while applying standardized aerosol particles (solid or droplet). Differential pressure, fractional efficiency, and dust loading are continuously measured. Data acquisition provides detailed insight into the filtration performance and operational characteristics of the media under laboratory conditions.
Maintenance Information
Regularly clean aerosol generators and dispersers.
Calibrate pressure sensors periodically.
Inspect control software and data acquisition systems for updates.
Maintain system cleanliness to prevent contamination.
FAQ
1.What is this product?
It is a test system for cleanable filter media to measure efficiency, dust holding capacity, and differential pressure drop.
2.What is this product used for?
It is used for development, optimisation, and quality assurance of cleanable filter media.
3.Which standards does it support?
VDI 3926-2, ASTM D6830-02, ISO 12103-1, ISO 5011, and related filtration standards.
4.Why is this product important?
Ensures consistent performance and durability of cleanable filter media in both industrial and laboratory environments.
5.Which industries use this product?
HVAC, engine filtration, industrial air cleaning, and laboratory research on filter media.
