【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】

GB2626-2019 "Respiratory Protection Self-priming Filtering Anti-Particulate Respirator" Article 6.9 "Dead Space"

【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 flow meter: adopts CO2 mass flow controller, with analog input and output signals, which can automatically adjust the flow and measurement 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: 0～10 m/s, accuracy: ±(0.1m/s+5% measurement value) when measuring range (0～2m/s).

6. The adjusting range of artificial lung breathing frequency is (10-40) times/min, and the adjusting range of breathing tidal volume is (0.5-3.0)L.

7. Total power supply: AC220V, power 500W.