Mask Bacterial Filtration Efficiency (BFE) Tester
Product No: WKS-1010
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Description
WKS-1010 Mask Bacterial Filtration Efficiency (BFE) Tester is designed to assess the percentage of mask material capable of filtering out suspended particles containing bacteria at a specified flow rate. It is applicable for evaluating the bacterial filtration efficiency of medical surgical masks by metrological inspection departments, scientific research institutes, medical mask manufacturers, and other relevant entities.
Standard: ASTM F2100 “Standard Specification for Performance of Materials Used in Medical Face Masks” YY0469-2011, YY/T 0969-2013
Specification:
- Main parameter
- Parameter range
- Resolution
- Accuracy
- Sampling flow: 28.3L/min, 0.1L/min, Better than ±2.5%
- Spray flow: (8～10)L/min, 0.1L/min, Better than ±2.5%
- Peristaltic pump flow: (0.006～3.0)ml/min, 0.001ml/min, Better than ±2.5%
- Front pressure of flowmeter: (-20～0)KPa, 0.01KPa, Better than ±2.5%
- Front pressure of Spray flowmeter: (0～300)KPa, 0.1KPa, Better than ±2.5%
- Ambient temperature: (-40～99)℃, 0.1℃, Better than ±2.5%
- Negative pressure of aerosol chamber: (-90～-120)Pa, 0.1Pa, Better than ±2.0%
- Negative pressure of cabinet: -50～-200Pa
- Data storage capacity: >100000 groups
- Specification and quantity of vortex mixer test tube: Φ16×150mm tube;8
- High efficiency air filter characteristics: Filtration efficiency for particles above 0.3um≥99.99%
- Mass median diameter of aerosol generator: 3.0± 0.3μm, Geometric standard deviation≤1.5
- Integrated 6 Grades Andersen Sampler capture particle size: Grade I＞7μm, Grade Ⅱ(4.7～7)μm, Grade Ⅲ(3.3～4.7)μm, Grade Ⅳ(2.1～3.3)μm, Grade Ⅴ(1.1～2.1)μm, Grade Ⅵ(0.6～1.1)μm
- Aerosol chamber specifications: 60cm(Length)×8.5 cm(Diameter)× 3cm(Thickness)
- Total number of particles of positive quality control sampler: 2200±500cfu
- Ventilation flow of negative pressure cabinet: ≥5m3/min
- Size of negative pressure cabinet: 755×400×990mm (W×D×H)
- Size of host: 1200×630×2100mm (W×D×H)
- Instrument noise: <65dB(A)
- Total Weight: About150kg
- Power supply: AC220V±10%, 50Hz
- Power consumption: <1500W
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.