Medical Face Mask Air Exchange Pressure Difference Tester

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The Medical Face Mask Air Exchange Pressure Difference Tester 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. Technical Parameters Items Parameters Air supply Suction type Air flow 8L / min Seal type O-ring seal Sample breathable diameter Φ25mm Differential pressure sensor range 0 ~ 500Pa Display mode Digital display pressure difference Power supply 220V, 50Hz

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