ASTM F2100 / YY0469-2011 Bacterial Filtration Efficiency (BFE) Test System
Product No: WKS-1010
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Description
WKS-1010 Bacterial Filtration Efficiency (BFE) Test System quantifies the percentage of mask material filtration of bacterial aerosol particles under controlled flow conditions. This instrument is designed for compliance testing of medical surgical masks per ASTM F2100 “Standard Specification for Performance of Materials Used in Medical Face Masks” and YY0469-2011 standards, serving metrological inspection laboratories, research institutions, and medical device manufacturing quality control departments.
Technical Specifications
| Parameter | Range | Resolution | Accuracy |
| Sampling Flow | 28.3L/min | 0.1L/min | ±2.5% |
| Spray Flow | (8-10)L/min | 0.1L/min | ±2.5% |
| Peristaltic Pump Flow | (0.006-3.0)ml/min | 0.001ml/min | ±2.5% |
| Flowmeter Front Pressure | (-20-0)kPa | 0.01kPa | ±2.5% |
| Spray Flowmeter Front Pressure | (0-300)kPa | 0.1kPa | ±2.5% |
| Ambient Temperature | (-40-99)°C | 0.1°C | ±2.5% |
| Aerosol Chamber Negative Pressure | (-90-120)Pa | 0.1Pa | ±2.0% |
| Cabinet Negative Pressure | -50-200Pa | – | – |
System Configuration
- Data Storage Capacity: >100,000 test records
- Vortex Mixer Test Tubes: Φ16×150mm (8 units)
- HEPA Filter Efficiency: ≥99.99% for particles >0.3μm
- Aerosol Generator MMD: 3.0±0.3μm (GSD≤1.5)
- 6-Grade Andersen Sampler Particle Capture Ranges:
- Grade I: >7μm
- Grade II: 4.7-7μm
- Grade III: 3.3-4.7μm
- Grade IV: 2.1-3.3μm
- Grade V: 1.1-2.1μm
- Grade VI: 0.6-1.1μm
- Aerosol Chamber Dimensions: 60cm(L)×8.5cm(D)×3cm(T)
- Positive Control Sampler Particle Count: 2200±500 CFU
- Negative Pressure Cabinet Ventilation: ≥5m³/min
- Negative Pressure Cabinet Dimensions: 755×400×990mm (W×D×H)
- Main Unit Dimensions: 1200×630×2100mm (W×D×H)
- Acoustic Noise Level: <65dB(A)
- System Weight: Approximately 150kg
- Power Requirements: AC220V±10%, 50Hz
- Power Consumption: <1500W
Key Features
- Negative pressure experimental chamber design for operator safety
- Integrated 6-stage Andersen impactor for particle size distribution analysis
- Precision flow control systems with ±2.5% accuracy
- Comprehensive data logging with >100,000 record capacity
- HEPA filtration system with ≥99.99% efficiency for 0.3μm particles
- Standard-compliant aerosol generation with 3.0±0.3μm MMD
Frequently Asked Questions
Where is LISUN based and what is your global reach?
We are based in Shanghai, China, founded in 2012. Our products are sold to Western Europe (25%), North America (20%), Eastern Europe (15%), South America (10%), Domestic Market (5%), and other regions. We have 51–100 employees.
How do you guarantee product quality?
We always provide a pre-production sample before mass production and conduct a final inspection before shipment.
What products can I buy from LISUN?
Goniophotometer, Integrating Sphere, Temperature Chamber, EMI Receiver, Surge Generator, and more.
Why should I choose LISUN over other suppliers?
LISUN is a leader in lighting and electrical test instruments, founded in 2003. All products are ISO9001:2015 certified and CE certified. LISUN is a CIE member, and our products have been sold to over 150 countries.
What services and payment terms do you offer?
Delivery terms: FOB, CFR, CIF, EXW, DDU. Payment currencies: USD, EUR, CNY. Payment types: T/T, L/C, Credit Card, PayPal, Cash, Escrow. Languages: English, Chinese, Spanish, Arabic, Russian.