Mask BFE Tester BFE-7000: Precision Testing for Bacterial Filtration Efficiency in Medical Masks​​

Overview
The BFE-7000 is an advanced automated system designed to evaluate the bacterial filtration efficiency (BFE) of surgical masks, procedure masks, and respirators. Critical for manufacturers of medical PPE, this instrument ensures compliance with global standards (ASTM F2100, EN 14683, YY/T 0969) while delivering rapid, repeatable measurements of bacterial capture rates using Staphylococcus aureus or Bacillus subtilis aerosols.

Core Features

1. Controlled Aerosol Generation:

• Generates polydisperse bacterial aerosols (3–5 µm) with adjustable concentrations (10⁴–10⁷ CFU/m³) using nebulizers and HEPA-filtered air.
• Integrated spray nozzle for uniform particle dispersion.

2. High-Precision Detection:

• Laser photometer measures upstream/downstream bacterial concentrations to calculate BFE (%), with ±1% accuracy.
• Real-time data display and export for compliance reporting.

3. Sample Handling:

• Motorized clamps secure masks (up to 150 mm diameter) in airtight test chambers, ensuring consistent airflow and particle exposure.

4. Multi-Test Modes:

• Preconfigured protocols for ASTM F2100 (medical masks), EN 14683 (surgical masks), and ASTM F2299 (FFP respirators).

5. Safety & Hygiene:

• Fully enclosed chamber with HEPA filtration, UV-C sterilization, and touchless controls to prevent cross-contamination.

Technological Innovations

• AI-Powered Data Analysis: Machine learning algorithms identify outliers and predict long-term filter degradation.
• Dynamic Flow Stabilization: Self-adjusting valves maintain consistent airflow despite humidity or temperature fluctuations.
• Modular Design: Swapable fixtures for testing diverse mask types (e.g., flat-fold, duckbill, cloth masks) and respirators.

Applications

• Medical PPE Certification: Validate surgical masks and respirators for BFE ≥95% (ASTM Level 1/2/3) or VFE ≥98%.
• Pharmaceutical/Lab Gear: Test lab coats and cleanroom garments against biological contaminants.
• Pandemic Preparedness: Rapid certification of pandemic-grade masks (e.g., COVID-19 N95/KN95 respirators).
• Academic Research: Study advanced materials like nano-fiber filters or hydrophobic coatings.

Compliance & Certification
Fully compliant with:

• ASTM F2100 (Medical Face Masks)
• EN 14683 (Surgical Masks)
• YY/T 0969 (Disposable Surgical Masks)
• ISO 29904 (Respiratory Protective Devices)

Optional Accessories

• Pre-sterilized bacterial suspensions (e.g., S. aureus, B. subtilis)
• High-flow pump (up to 200 L/min for coarse aerosol testing)
• Environmental chamber (-20–60°C, 0–95% RH)
• Automated report generator with FDA/EU MDR templates

Conclusion
The BFE-7000 redefines bacterial filtration testing by combining clinical-grade accuracy with intelligent automation. Manufacturers gain critical insights to optimize mask performance, accelerate certification, and meet evolving global safety demands—from operating rooms to pandemic-response scenarios.

2025-04-08 10:01