What are the technical parameters of the gas alarm

The gas alarm has the following technical parameters:
1. Detection principle: Electrochemical sensor, semiconductor sensor, infrared sensor,催化 combustion sensor, etc.
2. Detection gas: Natural gas, liquefied petroleum gas, artificial gas, methane, propane, butane, etc.
3. Detection range: 0-100%LEL, 0-100%VOL, 0-5000ppm, etc.
4. Alarm threshold: Usually set to 25%LEL or 50%LEL.
5. Response time: Usually within 30 seconds.
6. Working temperature: -20℃~+50℃ or -40℃~+70℃.
7. Working humidity: 10%~95%RH (non-condensing).
8. Power supply: DC 9V, AC 220V, AC 110V, etc.
9. Output signal: Switching output, analog output, serial output, etc.

The above are the basic technical parameters of the gas alarm, and the specific parameters may vary according to different models and brands. When choosing a gas alarm, you need to choose the appropriate model and parameters according to the actual situation.

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