Products meet the standard requirements, which is YY0469-2004 quot;Medical surgical mask technical requirementsquot; and YY 0969-2013 quot;Disposable medical masksquot;, medical face mask air exchange pressure difference tester is measured by gas pressure difference on both sides of the mask (ie the damping from the mask exert to the airflow) to determine the breathability of the mask, and the instrument test results is accurate.
The device is used for the determination of gas exchange pressure difference of medical surgical masks and can also be used to determine the gas exchange pressure difference of other textile materials。
YY 0469-2011 Surgical mask
YY 0969-2013 Single-use medical face mask
EN 14683:2014 Medical face masks - Requirements and test methods
1, using the suction gas source as the instrument power source, free from test space constraint;
2, with a high precision differential pressure sensor, digital show the sample pressure of both sides;
3, special sample holder to ensure a good clamping sample.
||8L / min
|Sample breathable diameter
|Differential pressure sensor range
||0 ~ 500Pa
||Digital display pressure difference
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