Air filter System（ISO 16890/EN 779）

The Air Filter Test System (ISO 16890 / EN 779) is designed for evaluating the filtration efficiency and performance of general ventilation air filters. The system enables precise measurement of particle removal efficiency across different size ranges, supporting classification of filter media and complete filter units according to international standards. Its modular duct structure ensures stable airflow conditions and repeatable test results. 

The Air Filter Test System provides a reliable platform for evaluating filter efficiency and classification under controlled laboratory conditions. It is suitable for product development, certification testing, and quality assurance in the air filtration industry.

Application

(1) Performance testing of HVAC air filters

(2) Efficiency evaluation of commercial and industrial filters

(3) Classification of coarse and fine filters by particle size

(4) Energy efficiency assessment of ventilation filters

(5) Research and development of filter media and structures

(6) Quality control and factory inspection of filter products

Typical test samples include panel filters, bag filters, HEPA pre-filters, synthetic filter media, and composite filtration materials.

Standards

(1) ISO 16890 – Air filters for general ventilation – Part 1–4.

(2) EN 779:2012 – Particulate air filters for general ventilation.

(3) ASHRAE 52.2:2008 – Method of testing general ventilation air-cleaning devices for removal efficiency by particle size.

Parameters

Features

(1) Supports ISO 16890, EN 779, and ASHRAE 52.2 testing methods

(2) Stable airflow system ensures repeatable results

(3) Modular and movable duct design for easy sample installation

(4) Wide compatibility with different filter sizes and types

(5) Automated testing process with PLC control

(6) Accurate particle efficiency measurement across size ranges

(7) Supports multiple aerosol types for different test requirements

Maintenance Information

(1) Regular cleaning of duct sections and aerosol injection systems.

(2) Calibration of pressure sensors and particle measurement instruments.

(3) Check the integrity of the universal filter holder and moving parts.

(4) Inspect PLC safety functions and operational software.

(5) Replace worn or contaminated aerosol generators as needed.

FAQ

(1) What is this product?

– A test system for measuring efficiency and performance of general air filters.

(2) What is it used for?

– To determine particle removal efficiency, differential pressure, and classify filters according to international standards.

(3) What types of this product exist?

– Systems capable of ISO 16890, EN 779, and ASHRAE 52.2 testing with different flow rates and duct configurations.

(4) What industry problems does it solve?

– Provides standardized testing for HVAC filter efficiency, MERV classification, energy rating, and R&D of new filter media.

(5) How is it operated?

– Install filter samples, run automated aerosol tests, measure upstream/downstream particle concentrations, and analyze efficiency using integrated software.

(6) Why are different aerosols used in testing?

Different aerosols simulate various particle conditions. For example, DEHS is used for stable liquid particles, while KCl represents solid particles, ensuring accurate and standard-compliant results.

(7) How to choose the right configuration for testing?

Configuration depends on airflow range, filter size, and applicable standards. It is recommended to define test requirements first and consult QINSUN engineers for proper system setup.

(8) What types of filters can be tested?

The system supports panel filters, bag filters, and various ventilation filter media. It is suitable for both complete filter units and flat media samples.