A. Overview:
The tester is used to detect the deadspace of the face mask, that is, the volume fraction of carbon dioxide in theinspired air. The tester should meet the standards of the following: GB2626-2019 "respiratoryprotection—non-powered air-purifying particle respirator", TAJ1001-2015 "PM2.5 protectivemask" dead space detection section, and GB/T16556-2007"self-contained open-circuit compressed air breathing apparatus" deadspace detection sections of carbon dioxide from inspired air.
B. Technical Parameters
1.
2. Analog Tidal VolumeAdjustment Range: 0.5~3.0L/min
3. CarbonDioxide Volume Fraction: 5.0±0.1%
4. CarbonDioxide Flowmeter Range: not less than 40±1L/min
5.
6. VentilationFan: wind speed 0.5m/s
7. BreathingFrequency: 20 times/min
8. BreathingTidal Volume: 1.5L
9. PowerSupply: AC220V 50Hz
C. Applicable Standards:
GB2626-2006: Respiratory protective equipment - non-powered air-purifyingparticle respirator

































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