Medical mask dead cavity tester

1, Overview:
Sq2626-a medical mask dead cavity tester is designed and manufactured according to relevant standards. The instrument is specially used to detect the dead cavity of medical mask.
Sq2626-a medical mask dead chamber tester is composed of intelligent controller, airflow mechanism, printer, carbon dioxide analyzer, respiratory simulator, 5% carbon dioxide gas source, etc. The intelligent controller is composed of PLC, ad module, LCD, emergency stop, power supply, timing system and so on
The screen adopts all Chinese windows display, touch control for options, operation, setting, without training, you can operate according to the prompts.

2, Technical parameters:
2.1 environment:
Working temperature: 5 ～ 40 ℃
Relative humidity: (45-80)%
Power supply voltage: 220 V ± 22 V
Power grid frequency: 50 Hz ± 1 Hz
2.2 display mode:
2.2.1 seven inch LCD screen with Chinese windows display is adopted.
2.2.2 the menu on LCD and the analog keyboard on LCD are controlled by touch.
2.3 power consumption: 200W
Overview: this instrument is used to detect the dead space of respirator, that is, the volume fraction of CO2 in the inhaled gas
Applicable standard: gb2626-2019 respiratory protection self-priming filter type anti particulate matter respirator

Technical parameters:
1. Simulated respiratory frequency modulation of respiratory simulator: 10-40 times / min
2. Adjustment range of simulated tidal volume: 0.5-3.0 L / min
3. Volume fraction of carbon dioxide source: 5.0 ± 0.1%
4. Range of carbon dioxide flowmeter: no less than 40L / min
5. Carbon dioxide analyzer range: not less than 2%, accuracy not less than 0.1%
6. Electric fan: wind speed 0.5m/s
7. Respiratory rate: 20 times / min
8. Respiratory tidal volume: 1.5L
9. Power supply: AC220 V, 50 Hz
10. Real time automatic calculation, display the volume fraction of CO2 in the inhaled gas