EN14683 BFE Face Mask Bacterial Filtration Efficiency Testing Machine

Product Description

Product Description
Product DescriptionAT920 Mask Bacterial Filtration Efficiency (BFE) Tester is used to quickly and accurately detect the bacterial filtration efficiency (BFE) of various flat masks, 3D masks and protective materials. Bacterial filtration efficiency (BFE) experimental method requires development, is a high-performance intelligent bacterial filtration efficiency detector.StandardsEN14683ASTM F2100ASTM F2101 Note: For more standards, please contact us.SpecificationModelAT920Enterclose ASampling flow28.3 L/minResolution0.1L/minTolerance±2.5%Enterclose BSampling flow28.3 L/minResolution0.1L/minTolerance±2.5%Spray systemFlow rate8~10L/minResolution0.1L/minTolerance±5.0%Peristaltic pumpFlow rate0.006 ~3 ml/minResolution0.001 mL/minTolerance±2.5%Pressure in the forepart of flow-meter for Enterclose A/BPressure range-20 ~ 0kpaResolution0.01kpaTolerance±2.5%Pressure in the forepart of flow-meter for Spray systemPressure range0 ~ 300kpaResolution0.1kpaTolerance±2.5%Aerial fog negative pressurePressure range-90 ~ -120kpaResolution0.1PaTolerance±2.0%Operating temperature0 ~ 50℃Biosafety zone negative pressure-90 ~ -120 PaData storage capacity20GData output and interfaceUSB (3 interfaces)High efficiency air filter performance≥99.995%@0.3μm, ≥99.9995%@0.12μmTotal number of positive quality control sampler particles2200±500 cfuAerosol generator mass median diameterAverage particle diameter (3.0±0.3μm),Geometric standard deviation≤1.5Six-stage Anderson sampler captures particle sizeLevel 1(>7 μm); Level 2(4.7~7 μm);Level 3(3.3~4.7 μm); Level 4(2.1~3.3 μm);Level 5(1.1~2.1 μm); Level 6(0.3~1.1 μm)Aerosol chamberLength 600 * Diameter 80 * Thickness 3.0 mmVentilation flow of negative pressure cabinet>5m³/minWorking noise<65dbPower supply200V, 50HzDimension1250*700*2000 mmWork area870*600*1100 mmNet weightAround 250kgRelated ProductsOur CompanyHistorySince 1982 with more than 20 years' experienceWarrantyTwo Year Warranty for whole productTrainingVideo and user manual for trainingOnsite serviceInstallation and training service is availableTesting serviceFree sample testing before order is availableLead time15 working days lead time for most productContacting Us Lily-AnytesterWebsiteMobile Phone+86 180 5517 3820Whatsapp+86 180 5517 3820Skype1933039910@qq.comWechat+86180 5517 3820

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