Test items: detection of carbon dioxide content in inhaled gas The carbon dioxide content detector in the inhaled gas is used to test the dead space test of the positive pressure fire air respirator. Applicable to respirator manufacturers and national labor protection equipment inspection agencies for self-contained open-circuit compressed air respirators, self-priming filter respirators and other products for related testing and inspection. 1. Equipment overview The carbon dioxide content detector in the inhaled gas is used to test the dead space test of the positive pressure fire air respirator. Applicable to respirator manufacturers and national labor protection equipment inspection agencies for self-contained open-circuit compressed air respirators, self-priming filter respirators and other products for related testing and inspection. 2. Applicable standards BSEN149-2001+A1-2009 "Requirements, Inspection and Marking of Filter Half Masks for Particulate Protection in Respiratory Protective Devices" Clause "8.7 Determination of Carbon Dioxide Content in Inhaled Gases" Article "6.13.3 Determination of Carbon Dioxide Content in Inhaled Gas" of GA124-2013 "Positive Pressure Fire Air Breathing Apparatus" GB2890-2009 "Respiratory Protection Self-priming Filter Gas Mask" Clause "6.7 Mask Dead Space Test" Clause "6.9 Dead Space" of GB2626-2019 "Respiratory Protection Self-priming Filtering Anti-Particulate Respirator" GB21976.7-2012 "Building Fire Escape Refuge Equipment Part 7: Filter Self-rescue Breathing Apparatus" Clause "6.6.3 Test of Carbon Dioxide Content in Inhaled Gas" 3. Test Items This product is used for the determination of carbon dioxide content in the inhaled gas of various air respirators and gas masks. 4. Technical Indicators 1). Power supply: 220V AC; 2). Number of phases: single phase; 3). Frequency: 50HZ; 4). Rated electric power: 2kW; 5). Carbon dioxide gas source: The volume fraction of CO2 gas is (5±0.1)%, 6). Adjustable range of artificial lung breathing frequency: 10-40 times/min; 7). The adjustment range of breathing tidal volume is (0.5～3.0)L; 8). Wind speed test range: 0-10 m/s, accuracy: ±(0.1m/s+5% measured value); 9). Dual-channel CO2 analyzer: range 0-12% accuracy: ±0.1%; 10). Mass flow meter: 0-60L/Min accuracy: ±1%FS 11). Dimensions (mm): (Length×Depth×Height) 3500×720×1800; 12) large, medium and small head mold each; 5. Main Features The carbon dioxide content detector in inhaled gas developed by our company has the characteristics of small size, light weight, low noise, easy operation, simple and generous appearance.