Medical Mask Differential Pressure Tester or medical face mask breathability 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.

EN 149,

EN 14683,

ASTM F2100,

MIL-M-36954C,

GB 19083,

GB 2626,

YY/T 0969-2013

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

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