Manual HEPA/ULPA Filter Scanning Test System，ISO 29463 manual filter scanning and efficiency test system

The Manual HEPA/ULPA Filter Scanning Test System is designed for quality control of HEPA and ULPA air filters according to ISO 29463 and EN 1822 standards. The system uses a manual scanning approach suitable for existing filter test benches, providing accurate leakage detection, local and overall efficiency measurement, and compliance verification.

Application

(1) Filter Production Control: Ensures HEPA and ULPA filters meet ISO 29463 and EN 1822 separation efficiency standards.

(2) Air Purification Industry: Quality testing of filters used in industrial air-cleaning systems and household air purifiers.

(3) Medical Equipment: Testing HEPA filters used in medical devices for efficacy verification.

(4) Automotive Industry: Evaluating HEPA filters in vehicle air purification systems.

(5) Cleanrooms and Laboratories: Periodic inspection and maintenance of high-efficiency air filters.

(6) HVAC Systems: Performance evaluation in industrial and commercial HVAC applications.

Standards

(1) GB/T 14295-2008 – High-efficiency air filters

(2) GB/T 13554-2020 – High-efficiency air filters

(3) GB/T 14295-2019 – Air filters

(4) GB/T 6719 – Bag-type dust collector technical requirements

(5) GB/T 6165-2021 – HEPA filter performance: efficiency and resistance

(6) ISO 29463-4 – Local efficiency and leakage detection (same as EN 1822-4)

(7) ISO 29463-5 – Overall separation efficiency

(8) EN 1822-4 – Local efficiency and leakage test

(9) EN 1822-5 – Overall separation efficiency

(10) ISO 29463-3 – Most Penetrating Particle Size (MPPS) test for filter media

(11) ISO 14644-3 – Cleanrooms and controlled environments

(12) IEST-RP-CC034 – HEPA filter performance standard

(13) ASTM D6830-02 – HEPA filter testing methods

Parameters

Parameter	Unit	Value
Maximum Test Flow Rate	m³/h	1200
Differential Pressure Range	Pa	0–400
Maximum Sample Dimensions	mm	1220 × 610 × 300
Aerosol Operating Medium	–	DEHS, PSL
Gas/Air Supply	bar	6
Power Supply	V/A	230 VAC, 10 A
Test Medium Temperature	°C	0–50
Test Humidity	% RH	0–100
Operating Temperature	°C	5–40
Adjustable Adapter	–	Adaptable for different filter sizes
System Weight	kg	~40
System Dimensions (W × H × D)	mm	450 × 600 × 350

Features

High-Precision Testing: Advanced particle counting ensures accurate efficiency and leakage detection.

Standards Compliance: Fully compliant with ISO 29463. EN 1822. and ISO 14644 standards.

Flexible Test Configuration: Adapters and test workflow adjustable for different filter sizes and types.

Automated Aerosol Generation & Data Acquisition: Reduces human error with real-time particle monitoring.

User-Friendly Interface: Touchscreen control, integrated data management, and report generation.

Accurate Leakage Detection: High spatial resolution and rapid particle counters ensure precise measurements.

Compact Design: Small footprint suitable for laboratory and production line use.

Accessories

Accessory	Specification	Quantity
Aerosol Sprayer	Standard DEHS aerosol liquid	1 set
Optical Particle Counter	Upstream & downstream concentration measurement	1 unit
Sample Switching Unit	Multi-channel data acquisition	1 unit
Flow Meter	Airflow measurement	1 unit
Filter Adapter	Adjustable for different filter sizes	1 set
Protective Cover	Dust and safety protection	1 unit
Operation Software Win	Interface and data management	1 set

Test Principle

Aerosol Generation: DEHS aerosol is produced to simulate operational conditions.

Upstream Measurement: Optical particle counter measures particle concentration before the filter.

Downstream Measurement: Switching unit monitors clean air side particle concentration.

Leakage Detection & Efficiency Calculation: System calculates overall filtration efficiency and visualizes detected leaks.

Data Processing: All data recorded and processed in Win software to generate standard-compliant reports.

Operation Instructions

Safety: Ensure stable connections and avoid aerosol exposure to personnel.

Standard Operation: Follow ISO and EN standard procedures; maintain environmental conditions.

Cleaning & Maintenance: Clean aerosol generator and particle counter after each test; replace consumables regularly.

Standard-Specific Adjustments: Adjust aerosol type or flow according to specific standards (ISO 29463 vs EN 1822).

Experimental Procedure

Preparation: Install filter in adapter; adjust flow, aerosol concentration, temperature, and humidity.

Testing: Start system and manually scan the filter using the scanning probe.

Monitoring: Real-time upstream and downstream particle concentration measurement.

Data Analysis & Reporting: Software calculates overall efficiency and identifies leaks; generates and saves the test report.

Post-Test: Clean equipment; retest if efficiency or leakage is out of specification.

Maintenance Information

Inspect adapters and seals regularly.

Verify particle counters and sensors for calibration.

Clean aerosol generator and scanning probes after each test.

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