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Home Products Mask Bacterial Filtration Efficiency (BFE) Tester
Mask Bacterial Filtration Efficiency (BFE) Tester
Mask Bacterial Filtration Efficiency (BFE) Tester

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Mask Bacterial Filtration Efficiency (BFE) Tester

Product No: WKS-1010

  • Specifications
  • Technology

  • WKS-1010 Mask Bacterial Filtration Efficiency (BFE) Tester is used to test the percentage of the mask material to filter out the suspended particles containing bacteria under the specified flow rate. It is suitable for the performance test of the bacterial filtration efficiency of medical surgical masks by metrological inspection departments, scientific research institutes, medical mask manufacturers and other related departments.

    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

    Features:

    • Negative pressure experiment system to ensure the safety of operators;
    • Negative pressure cabinet built-in peristaltic pump, integrated 6 Grades Andersen;
    • The flow rate of the peristaltic pump can be set;
    • The special microbial aerosol generator bacterial liquid spray flow rate can be set, and the atomization effect is good;
    • Embedded high-speed industrial microcomputer control;
    • 10.4 inch industrial grade high-brightness color touch screen;
    • USB interface, support U disk data transfer;
    • Built-in high-brightness lighting lamp in the cabinet;
    • Built-in leakage protection switch to protect the safety of operators;
    • Heat insulation and flame retardant between the inner and outer layers;
    • The front opening and closing glass door is convenient for the experimenter to observe and operate;
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