Dry Microbial Penetration Resistance Tester

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The Dry Microbial Penetration Resistance Tester assesses material resistance to dry bacteria-carrying particles (like human dandruff-sized). It tests protective gear (surgical gowns, etc.) per ISO 22612. part of EN 13795 and EN 14126 test suites. Compliance with EN 13795 aligns with EU Medical Device Directive 93/42/EEC, crucial for CE marking in Europe.

Application:

Dry microbial penetration resistance performance tester is professionaly used to determine the bacterial penetration resistance performance of materials to dry particulates in the size range of human body dandruff.Whenn testing, the samples were fixed on a container respectively.In these containers, five containers containing subtilisin talc, one container added with Not stained talcum powder was used as a control.A Petri dish was inserted at the bottom of each container at a distance from the bottom of the timer.

The equipment supporting the container is oscillated by a Gas ball oscillator, and all the talc penetrating the sample Falled on the culture dish , cultured without the culture vessel.The test results were evaluated by counting the growing colonies.

Standards:

ISO 22612:Clothing for protection against infectious agents - Test method for resistance to dry microbial penetration

YY / T 0506.5-2009:Surgical drapes, gowns and clean air suits for patients, clinical staff and equipment - Part 5: Test method for resistance to dry microbial penetration

Features:

Reliable design, stable test;

Front switch glass doors, easy to observe the operation of the experimental staff;

Removable bracket, height adjustable bracket;

Support, mobile dual casters;

Negative pressure experimental system, with the fan exhaust system and the introduction of high efficiency filter to ensure the safety of operators;

Embedded high - speed industrial microcomputer control;

Dedicated operating software, with software parameters calibration, fault detection automatically

Test principle:

When testing, the samples were seperately fixed on a container.In these containers, five containers carrying the bacillus subtilis and 1 container carrying uncontaminated talc powder used as control.Insert 1 petri dish at the bottom of each container and beneathe the bottom of the specimen.

The supporting vessel's equipment is oscillated by a gas ball type oscillator, and all of the talcum powder passing through the sample falls onto the petri dish. Remove the petri dish for culture. The experiment results were evaluated by counting the colonies.

Main parameters:

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