Main uses and technical indicators of the gas exchange pressure difference tester for medical protective masks

1. Main use: The medical protective mask gas exchange pressure difference tester is suitable for the measurement of the gas exchange pressure difference of medical surgical masks, and can also be used to measure the gas exchange pressure difference of other textile materials.

2. Instrument features:

1. The suction gas source is used as the power source of the instrument, which is not limited by the space of the test site;

2. Equipped with a high-precision differential pressure sensor, digitally displaying the pressure difference on both sides of the sample;

3. Special sample clamps ensure firm clamping of the sample.

3. Technical indicators:

1. Air source: suction type;

2. Air flow: 8L/min;

3. Sealing method: end face sealing;

4. Sample air permeability diameter: Ф25mm;

5. Differential pressure sensor range: 0~500pa;

6. Display mode: digital display of pressure difference;

7. Power supply: 220V, 50Hz.

IV. Applicable standards:

YY0469-2011 "Medical Surgical Mask"

YY0969-2013 "Disposable Medical Mask"

EN14683:2014 《Medical face masks -Requirements and test methods》