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Bacterial Filter Tester G299（G299/ Bacterial filtration tester） is suitable for medical surgical masks: it is used to cover the mouth, nose and mandible of the user to prevent microorganisms.QRATextile Testing Instruments, Testing Equipment Manufacturer
QRATextile Testing Instruments, Testing Equipment Manufacturer
1.Bacterial Filter Tester G299 consists of two parts: mechanical and electrical, It includes negative pressure cabinet, gas path and bracket.QRATextile Testing Instruments, Testing Equipment Manufacturer
2.Touch screen easy operation with USB interface to support data transfer, calibration can be carried through keyboard and USB interface.QRATextile Testing Instruments, Testing Equipment Manufacturer
3.Test principle: a certain concentration of bacterial aerosol accurs at upstream of the mask, entering the aerosol chamber and mix, the bacterial aerosol enters into two parallel gas path sampling system. One adds test sample to the sampler and other one does not add samples as positive quality control (total bacterial count). The ratio between the positive quality control value and the sample test value is the fifiltration effiffifficiency.QRATextile Testing Instruments, Testing Equipment Manufacturer
QRATextile Testing Instruments, Testing Equipment Manufacturer
Complied Standard:QRATextile Testing Instruments, Testing Equipment Manufacturer
YY0469-2011、YY/T 0969-2013、ASTM F2101、ASTM F2100、EN 14683QRATextile Testing Instruments, Testing Equipment Manufacturer
QRATextile Testing Instruments, Testing Equipment Manufacturer
Technical parameter:QRATextile Testing Instruments, Testing Equipment Manufacturer
QRATextile Testing Instruments, Testing Equipment Manufacturer
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