Standards:

The system supports and complies with: (1) GB/T 14295-2019 – Air filters. (2) GB/T 13554-2020 – High-efficiency air filters. (3) GB/T 6165-2021 – HEPA filter performance: efficiency and resistance. (4) ISO 11057 – Performance testing of cleanable filter media. (5) ISO 16890 – Air cleaning filter performance. (6) EN 779 – Performance standard for air filters. (7) ASTM D6830 – Evaluation standard for air filters.

Applications:

(1) Filter Media Characterization: Performance testing of filter media according to ISO 11057.

(2) Dust Loading Testing: Evaluation of differential pressure under dust load.

(3) Separation Efficiency Assessment: Measurement of gravimetric and fractional filtration efficiency.

(4) Cyclic Aging Testing: Assessment of long-term cyclic performance of filter media.

(5) Small-scale Filter Testing: Testing small filters according to ISO 11057 standards.

(6) Quality Assurance: In-process and final control during production to ensure compliance.

Product Information:

The Filter Media Test Rig According to ISO 11057 is designed for reliable and repeatable testing of filter media under standardized conditions. It provides essential data on operational performance, separation efficiency, and particle emissions of filter media, supporting development, optimization, and quality assurance in production.

Parameters

Parameter	Unit	Value
Test Flow Rate	m³/h	0.5 – 5
Differential Pressure Range	Pa	Configurable per test condition
Power Supply	–	3 × 400 VAC, 16 A
Operating Gas/Air	–	Custom (Pural-NF, Pural-SB, DEHS)
Test Aerosol	–	Pural-NF, Pural-SB, DEHS
Temperature	°C	0 – 50
Relative Humidity	%	0 – 100
System Dimensions (W × H × D)	mm	Configurable per setup
Weight	kg	approx. 300

Features

Stable Dust Dose and Dispersion: Ensures reliable and repeatable test results.

Flexible Design: Supports future modifications and expansions.

Multiple Aerosol Options: Supports solid and liquid aerosols for different test conditions.

Optimized Component Matching: Ensures optimal performance within cost-effective range.

Full Computer Control: User-friendly software for automated operation.

Customizable Test Programs: Supports tailored test protocols for various scenarios.

Accessories

Accessory	Quantity
Aerosol Generator	1
Laser Aerosol Spectrometer	1
Pural-NF Dust	As required
Pural-SB Dust	As required
DEHS Dust	As required

Test Principle

Dust Loading Test: Measures differential pressure changes under dust load to determine operational capacity.

Gravimetric and Fractional Efficiency: Assesses filter performance using gravimetric and particle-size-dependent separation efficiency.

Loading Capacity: Determines maximum dust holding capacity for long-term stability.

Cyclic Aging Test: Measures performance after repeated loading and cleaning cycles to evaluate durability.

Operation Instructions

System Startup:

 - Verify power, air supply, and aerosol generator.

 - Configure test parameters (flow rate, differential pressure, aerosol type).

Testing Process:

 - Install filter media in dedicated test fixtures.

 - Start the test; system automatically measures differential pressure, efficiency, and loading capacity.

Data Recording and Reporting:

 - System generates test reports automatically and stores data for traceability and quality control.

Experimental Procedure

Preparation:

 - Configure test parameters (target efficiency, flow rate).

 - Install filter media in fixtures.

 - Check all equipment and aerosol generator operation.

Testing:

 - Automated measurement of differential pressure, dust loading, and separation efficiency.

 - Data is recorded continuously.

Result Analysis:

 - System generates a detailed report including efficiency, pressure drop, and loading capacity.

Maintenance Information

Periodically check aerosol generator and particle measuring instruments.

Ensure calibration of sensors for accurate measurements.

Clean system components to maintain test accuracy.

FAQ

1.What is this product?

A test rig for characterizing filter media according to ISO 11057.

2.What is it used for?

To measure filter performance under dust load, separation efficiency, and aging conditions.

3.Which standards does it support?

ISO 11057, ISO 16890, EN 779, GB/T 14295-2019, ASTM D6830.

4.Why is this product important?

Provides reliable, repeatable data for filter development, optimization, and production quality assurance.

5.Which industries use this product?

HVAC, cleanroom filtration, automotive and industrial air filtration, laboratory R&D.