【product description】
This device is designed and manufactured in accordance with the standards GA124 and GB2890. It is used to test the dead space test of the positive pressure fire air respirator. The test principle is determined by measuring the CO2 content in the inhaled gas.
【Standards compliant】
Article 6.9 "Dead Space" of GB2626-2019 "Respiratory Protection Self-priming Filtering Anti-Particulate Respirator"
【technical parameter】
1 Working environment: the concentration of CO2 gas in the surrounding air ≤0.1%
2. Carbon dioxide gas source: the volume fraction of CO2 gas (5±0.1)%
3. CO2 flowmeter: adopts CO2 mass flow controller with analog input and output signals, which can automatically adjust the flow and measure through computer programs; flow range: 0-50L/min, accuracy: level 2.
4. Equipped with CO2 analyzer: range 0-12%, accuracy level 1;
5. Anemometer, range: 0～10m/s, accuracy: ±(0.1m/s+5% measurement value) when measuring range (0～2m/s).
6. The adjustment range of artificial lung breathing frequency is (10～40) times/min, and the adjustment range of respiratory tidal volume is (0.5～3.0)L.
7. Total power supply: AC220V, power 500W.
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