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Respirator Filtration Efficiency Tester
Product introduction:
It adopts 7-inch PLC colorful LCD touch screen, Chinese menu
display, high-precision pressure sensor, AD acquisition speed of
500KHz, internal code of 500000; high-precision clock chip,
power-off storage; PLC control dynamic display of loading force
value; overload alarm shutdown protection, can print test data,
nominal specification, test, time and calibration are suitable for
medical masks under specific gas flow Test of filtration efficiency
of non oil particles
It fully meets the requirements of Appendix B in YY 0469-2011
technical requirements for medical surgical masks, and also meets
the test requirements of 5.4 in GB 19083-2010 technical
requirements for medical protective masks.
1. Aerosol type: sodium chloride, DOP, dehs, paraffin oil, corn
oil, etc
2. Aerosol concentration: (50-200) mg / m3 (oily) and (12-20) mg /
m3 (sodium chloride)
3. Detector: gk-3016 laser dust particle counter (in accordance
with jjf1190-2008 "dust / 4, 4, particle counter calibration
specification")
5. Flow range: (0-100) l / min
6. Detection temperature: (25 ± 5) ℃
7. Relative humidity: (30 ± 10)%
8. Flow measurement accuracy: 2% of full scale
9. Pressure detection: accuracy of electronic pressure sensor
(differential pressure transmitter): the error is not greater than
± 2.5%
10. Pressure detection range: (- 2-2) kPa
11. Efficiency measurement range: filtration efficiency,
penetration rate 0.001% - 99.9999%
Equipped with aerosol coolant, etc.