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Medical Masks bacterial filtration efficiency tester | ASTM ISO Testing Machine

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Web: qinsun-lab.com

Whats/App: +86 185 0176 3615

Medical Masks bacterial filtration efficiency tester also called BFE test machine is to determine the bacterial filtration efficiency (BFE) of medical face mask materials by employing a ratio of the upstream bacterial challenge to downstream residual concentration of the tested medical face mask materials.

Application

This machine is suitable for metrological verification departments, scientific research institutes, mask manufacturers and other relevant departments to measure the bacterial filtration efficiency (BFE) of medical face mask materials.

Standards

YY 0469-2004 Technical requirements for surgical mask

BS EN 14683-2014 Medical face masks - Requirements and test methods

ASTM F2100-2019 Standard Specification for Performance of Materials Used in Medical Face Masks

ASTM F2101 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureus

Parameters

Sampling flow rate of Path A

28.3L/min

Sampling flow rate of Path B

28.3L/min

Nebulization flow rate

(8~10)L/min

Peristaltic pump flow rate

0.006~3mL/min

Negative pressure of aerosol chamber

-90~-120Pa

Negative pressure of cabinet body

(-50~-200)Pa

Andersen

I>7μm,II.4.7-7μm,III.3.3-4.7μm,IV.2.1-3.3μm,V.1.1-2.1μm

VI.0.6-1.1μm

Size ofglassaerosol chamber

L600×diameter85Xthick3)mm

OuterDimension

1180*650*1300cm(L*W*H)mm

Power supply

220V50Hz


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