Face Mask Air Exchange Pressure Difference Tester Applications:
Medical Mask Differential Pressure Tester or Medical Mask Differential Pressure Tester, is a lab testing instrument for determination breathability of medica face masks, the test principle is, through measuring the differential pressure required to draw air through a measured surface area at a constant air flow rate, to test the air exchange pressure of the medical face mask material, which indicates the breathability of medical face masks.
Built-in water-filled differential manometer is used to measure the differential pressure, a mass flow meter is used for measurement of the airflow. An electric vacuum pump draws air through the medical mask breathability tester and a needle valve is used to adjust the airflow rate.
Medical face masks differential tester complies with standards like EN 149, EN 14683, ASTM F2100, MIL-M-36954C, GB 19083, GB 2626, YY/T 0969-2013.
Standards:
EN 149,
EN 14683,
ASTM F2100,
MIL-M-36954C,
GB 19083,
GB 2626,
YY/T 0969-2013
Specifications:
Air source: Suction pump
Air flow: 8L/min
Sealing method: Mechanical face seal
Diameter for circular sample holder: Ф25mm
Differential pressure transducer:0-500Pa
Display: Digital display
Power supply:220 AC 50Hz
Dimension: 550mm×400mm×700mm
21.65inch×15.75inch×23.62inch
Net weight: 40 kg
88.18lb
Medical Face Mask Air Exchange Pressure Difference Tester Feature:
Suction chamber air source to provide the pump.
High resolution differential pressure transducer with digital display for results.
Special sample holder to ensure holding sample
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