DRK371-II Medical Mask Gas Exchange Pressure Difference Tester

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Test items: Measurement of pressure difference of mask gas exchange
DRK371-II medical mask gas exchange pressure difference tester is used to measure the gas exchange pressure difference of medical surgical masks and other products.

DRK371-II medical mask gas exchange pressure difference tester is used to measure the gas exchange pressure difference of medical surgical masks and other products.

Standards Compliant:
EN14683:2019; YY 0469-2011 medical surgical masks 5.7 pressure difference; YY/T 0969-2013 disposable medical masks 5.6 ventilation resistance and other standards.

Features:
1. Imported flowmeter is used to control the air flow stably.
2. High-precision differential pressure sensor with a range of 0~500Pa.
3. Adopt the suction electric air source as the suction power.
4. Color touch screen display, beautiful and generous. The menu-based operation mode is as convenient as a smartphone.
5. The core control components adopt 32-bit multi-function motherboard from STMicroelectronics.
6. The test time can be adjusted arbitrarily according to the test requirements.
7. The end of the test is equipped with an end sound prompt.
8. Equipped with special sample holder, easy to use.
9. The air compressor is used as the air source to supply air to the instrument, which is not restricted by the space of the test site.
10. The instrument is designed as a desktop computer with stable operation and low noise.

Technical Parameter:
1. Air source: suction type (electric vacuum pump);
2. Test flow: (8±0.2) L/min (0~8L/min adjustable);
3. Sealing method: O-ring seal;
4. Differential pressure sensing range: 0~500Pa;
5. The breathable diameter of the sample is Φ25mm
6. Display mode: touch screen display;
7. The test time can be adjusted arbitrarily.
8. After the test is completed, the test data is automatically recorded.
9. Power supply: AC220V±10%, 50Hz, 0.5KW


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