Test Items: masks, respirators The DRK-206 mask pressure difference tester is produced according to relevant standards and is mainly used for pressure difference testing of masks and respirators under specified conditions. It is suitable for masks and respirator manufacturers, quality supervision, scientific research, wear and use, etc. Equipment Use : It is suitable for measuring the gas exchange pressure difference of medical surgical masks, and also can be used to measure the gas exchange pressure difference of other textile materials. Instrument Characteristics: 1. The suction air source is used as the power source of the instrument, which is not restricted by the space of the test site; 2. Equipped with a high-precision differential pressure sensor, which digitally displays the differential pressure on both sides of the sample; 3. The special sample holder ensures that the sample is firmly clamped. Technical Indicators: 1. Air source: suction type; 2. Air flow: 8L/min; 3. Sealing method: end face sealing; 4. The vent diameter of the sample: Ф25mm; 5. Range of differential pressure sensor: 0～500Pa; 6. Display mode: digital display pressure difference; 7. Power supply: AC220V, 50Hz. Applicable Standards: YY 0469-2011 Medical surgical mask YY 0969-2013 disposable medical mask EN 14683:2014 Medical face masks -Requirements and test methods Note: Due to technological progress, the information will be changed without notice. The product is subject to the actual product in the later period.