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Face Masks Particulate Filtration Efficiency PFE Tester

Product No: GLE-20

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  • Description
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  • GLE-20 is an oil-salt two-in-one Face Masks Particulate Filtration Efficiency PFE Tester. According to ASTM F1862-17, ASTM F2299-03 (2017), ASTM F2100-2019, BS EN14683-2019, BS EN 14387-2004+A1 2008, BS EN 136-1998, BS EN 140-1999, BS EN 143-2000 +C1-A1, BS EN 149-2001+A1, etc. It is used to test the particulate filtering efficiency of daily protective masks and medical masks, and to determine the obstruction performance of ordinary fabrics and medical protective masks against a constant flow of airflow. It is widely used for medical device inspection centers, safety protection inspection centers, labor protection inspection centers, drug inspection centers, disease prevention and control centers, textile testing centers, hospitals, mask manufacturers, etc.

    Standards:

    1. It is designed and manufactured according to YY0469-2004 “Technical Requirements for Medical Surgical Masks” and GB2626-2006 “Respiratory Protective Equipment Self-Suction Filter Anti-Particle Respirator”. At the same time, it also refers to the advanced design concepts of similar international equipment (such as the American TSI company), based on the principle of “ European standard EN1822-3: 1998 single-sheet filter material test ”, but it is suitable for the test status of domestic related industries
    2. GB / T 32610-2016 “Technical Specifications for Daily Protective Masks”
    3. GB / T 19082-2009 “Technical requirements for medical disposable protective clothing”
    4. GB / T 19083-2010 “Technical Requirements for Medical Protective Masks”
    5. GB 24539-2009 General technical requirements for protective clothing and chemical protective clothing
    6. YY / T 0969-2013 “Standard for disposable medical masks”

    Standard Requirement:
    Using sodium chloride particles to detect KN filter elements, and use dioctyl phthalate or equivalent oil particles (or paraffin oil) to detect KP filter elements.
    Test according to 6.3
    During the test, the filtration efficiency of each sample should always meet the requirements of Table 2

    Table 2 Filtration efficiency

    Filter element category and level

    Particle detection with sodium chloride

    Detection with oil particles

    KN90

    90.0%

     

    Not Siut

    KN95

    95.0%

    KN100

    99.97%

    KP90

     

    Not Suit

    90.0%

    KP95

    95.0%

    KP100

    99.97%

    Specifications:

    1. Filtration efficiency detection flowmeter range: (10 ~ 100) L / min, accuracy level 2.5
    2. Filtration efficiency detection range: (0.001 ~999)%.
    3. Filtering efficiency sampling frequency: 1-9999 times / min can be set arbitrarily.
    4. Filtration efficiency Particulate concentration: (0.001-200) mg / m³.
    5. Differential pressure sensor range: 0 ~1000pa
    6. Counting median diameter: salt particles (0.075 ±0.02) μm, oil particles (0.185 ± 0.02) μm. Geometric standard deviation of particle size distribution: salt particles≤1.86, oil particles≤1.60. Dynamic detection range: 0.001-100 mg / m³, accuracy 1%.
    7. Test area: 100cm².
    8. Aerosol: NaCl (optionally with DOP, DEHS, paraffin oil, corn oil).
    9. Aerosol concentration: 12-20mg / m³ (Nacl), 50-200mg / m³ (DOP).
    10. The system contains two independent aerosol generators: oily and salty aerosol generators containing two particle counting sensors, one particle concentration sensor and one particle generator
    11. Power: AC220V 50Hz(120V/60Hz can be customized)

    GLE-20 Characteristics:

    1. The oil and salt two-in-one test and the two sets of test hardware systems are completely independent. The test does not interfere with each other to ensure the accuracy of the oil and salt test.
    2. The aerosol generator is used to produce continuous and stable aerosol particles, which is convenient for filling the solution.
    3. A high-precision particle concentration counter (the core component of the sensor imported from the United States) is used to measure the number of aerosol particles.
    4. The whole particle anti-leakage design protects the safety of laboratory personnel.
    5. Equipped with aerosol particulate static neutralization device.
    6. Configure temperature and humidity sensor, real-time display of ambient temperature and humidity (temperature and humidity requirements: 25 ℃ ± 5 ℃, 30% RH ± 10% RH).
    7. Equipped with glass rotor flowmeter, vacuum pump and gas electromagnetic flowmeter.
    8. Control system: touch-screen computer and test software have been configured to automatically test gas concentration and filtration efficiency, save, output, query, copy and export test data, support A4 paper printing and small bill printing test results

    Test Report (PDF Report and Result Receipt, can also print in English):

    LISUN GLE-20 Face Masks Particulate Filtration Efficiency PFE Tester – After Sales Questions and Answers.
    LISUN GLE-20 Face Masks Particulate Filtration Efficiency PFE Tester were in the market for more than 10 years, LISUN engineers service team already summary the most of the After Sales Questions and Answers in the above link. Please read it carefuly, you can solve the most of the problems by yourself if you have some questions while using the instruments. LISUN will be continue to update this pages and more FAQ can be found in this topic link.

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  • Face Masks Particulate Filtration Efficiency PFE Tester

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  • ASTM F2100-2019 Standard Free Download ASTM F2299-03(2017) Standard Free Download ASTM F1862-17 Standard Free Download BS EN14683-2019 Standard Free Download BS EN 14387-2004+A1 2008 Standard Free Download BS EN 136-1998 Standard Free Download BS EN 140-1999 Standard Free Download BS EN 143-2000+C1-A1 Standard Free Download BS EN 149-2001+A1 2009 Standard Free Download