Mask Bacterial Filtration Tester
YTS-MBFT
Application Standards
ASTM F2101, ASTM F2100, EN 14683, YY/T 0969-2013, YY0469-2004
A Mask Bacterial Filtration Tester is a specialized instrument designed to measure the effectiveness of face masks in filtering out bacterial particles. This BFE testing equipment evaluates the medical mask filtration efficiency by simulating real-world conditions where masks are exposed to aerosolized bacteria. The tester provides critical data on how well a mask can prevent bacterial penetration, specifically using the Staphylococcus aureus aerosol test. Ensuring compliance with health and safety standards, such as ASTM F2100 mask standards and EN 14683 mask testing, is crucial. By generating accurate and reproducible results, the Mask Bacterial Filtration Tester helps manufacturers and regulatory bodies certify that masks provide adequate protection against bacterial contamination. The device often includes a high-efficiency bacterial filter and employs a six-stage impactor filtration system to measure filtration effectiveness precisely.
Applications
Mask Bacterial Filtration Testers are employed in various sectors to ensure the effectiveness of masks in filtering bacteria:
- Healthcare: Ensures medical masks protect healthcare workers from bacterial infections by meeting stringent BFE standards. The use of a microbial aerosol generator allows for accurate filtration efficiency measurement, critical in assessing the effectiveness of mask materials.
- Manufacturing: Verifies the bacterial filtration efficiency of masks for public use, ensuring they act as a bacterial penetration barrier while performing bacterial control counts.
- Quality Control: Used in production lines with a negative pressure testing system to ensure masks meet BFE standards before distribution, adhering to ASTM F2100 and EN 14683 requirements. The Andersen sampler for masks is employed to ensure rigorous testing of microbial contamination levels.
- Research and Development: This aids in the development of new mask materials and designs with improved bacterial filtration properties, which are tested through Staphylococcus aureus aerosol tests.
- Regulatory Compliance: Helps regulatory bodies enforce safety standards for mask filtration efficiency, utilizing six-stage impactor filtration methods for precise results.
- Consumer Protection: Ensures that marketed masks meet advertised bacterial filtration claims, providing reliable protection against bacterial contamination.
By using this advanced BFE testing equipment, industries can ensure that their masks meet the highest standards of bacterial filtration efficiency, thus providing effective protection and maintaining public health safety.
| Specification | Accuracy | Resolution | Specification Range |
| Cabinet Negative Pressure | -50 – -200 pa | ||
| Aerosol Chamber Negative Pressure | Within ±2% | 0.1 Pa | -90 – -120 Pa |
| Sampling Flow of A Route | Within ±2% | 0.1 L/min | 28.3 L/min |
| Sampling Flow of B Route | Within ±2% | 0.1 L/min | 28.3 L/min |
| Temperature of Ambient | Within ±2.5% | 0.1℃ | -40 – 99 ℃ |
| Flow Speed of Negative Chamber | ≥5m3/min | ||
| Total No. of Positive QC Sampler Particles | 2200 ± 500 cfu | ||
| Aerosol Generator Mass Median Diameter | Geometric Standard Deviation ≤1.5, Average Diameter 3.0 ± 0.3 um | ||
| High Efficiency Particulate Air Filter Properties | Filter efficiency ≥99.99% for particles > 0.3um | ||
| Aerosol Chamber Size | Thickness*Diameter*Length 3*85*600 mm | ||
| Double Routes 6-lever Andersen Sampling Apparatus | Level 1: >7um; Level 2: 4.7 – 7 um; Level 3: 3.3 – 4.7 um
Level 4: 2.1 – 3.3 um Level 5: 1.1 – 2.1 um Level 6: 0.6 – 1.1 um |
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| Peristaltic Pump Flow | Within ±2.5% | 0.001 ml/min | 0.001 – 3.0 ml/min |
| Main Machine Size (H*W*D) | 1300*1180*650 mm | ||
| Negative Pressure Chamber Door Size (W*D) | 1000*730 mm | ||
| Vortex Mixture Test Tube Quantity & Specification | 8 pieces, φ 16*150 mm test tube | ||
| Data Storage Ability | >100000 sets | ||
| Power Consumption | <1500 W | ||
| Power Supply | 50 Hz, AC 220V±10% | ||
| Supporting Frame Size H*W*D | 600*1180*650 mm | ||
| Weight | 150 kg | ||
| Tester Noise | <65dB (A) | ||
| Spray Flowmeter Front Pressure | Within ±2.5% | 0.1 kPa | 0 – 300 kPa |
| A Route Sampling Flowmeter Front Pressure | Within ±2.5% | 0.01 kPa | -20 – 0 kPa |
| B Route Sampling Flowmeter Front Pressure | Within ±2.5% | 0.01 kPa | 0.01 kPa |
- A negative pressure experiment system is used to ensure operator safety.
- The adjustable flow rate of the peristaltic pump.
- The negative pressure cabinet has a built-in peristaltic pump and A and B two-way six-stage Andersen.
- Built-in leakage protection switch for operator safety.
- Embedded high-speed industrial microcomputer control.
- USB interface supporting U disk data transfer.
- Dedicated microbial aerosol generator with adjustable bacterial liquid spray flow and excellent atomization effect.
- Dual-purpose casters for support and mobility
- The front switch glass door is for easy observation and operation.
- 4-inch industrial-grade high-brightness color touch display.
- Insulation and flame retardant layers between the inner and outer layers.
- Built-in high-brightness lighting in the cabinet.
- Detachable, adjustable height stand.
- Aerosol Chamber: Encloses the mask during testing to control bacterial exposure.
- Nebulizer: Generates a bacterial aerosol for testing.
- Bacterial Culture Media: Used to cultivate and measure bacterial presence before and after filtration.
- Sample Holders: Securely hold masks in place during the test.
- Calibration Kits: Ensures the tester’s accuracy and reliability.
- Air Flow Meters: Measure the flow rate of aerosol through the mask.
- Data Management Software: Tracks and stores test results for easy analysis and reporting.
- Maintenance Tools: Cleaning and calibration tools are included to maintain the tester.
Secure and Protective Packaging:
- Each item is enveloped in air bubble film before being placed in wooden cases.
- Our packaging offers excellent shock absorption, impact resistance, and heat sealing while being non-toxic, odorless, and moisture corrosion-resistant.
Customer Care and Support: If you encounter any issues during the testing process, we guarantee a response within 48 hours and a solution within 3 working days. Our support includes:
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- Operation video and English manual assistance.
- Video conferencing for remote support.
- On-site service is available upon request, with transportation and travel expenses to be covered by the customer.