The gas alarm detects the following harmful gases:

1. toxic gases:

(1) carbon monoxide (CO)

(2) sulfur dioxide (SO2)

(3) ammonia (NH3)

(4) hydrogen sulfide (H2S)

(5) chlorine (Cl2)

(6) cyanide (HCN)

(7) ozone (o3)

(8) Nitrogen dioxide (NO2)

(9) Hydrogen fluoride (HF)

These gases have great harm to human health, once inhaled, it may cause poisoning or even life-threatening.Therefore, through the gas alarm for real-time monitoring and alarm of these toxic gases, can be found in time and take measures to protect the safety of personnel.

2. flammable gases:

(1) Methane (CH4)

(2) Propane (c3H8)

(3) Ethylene (C2H4)

(4) Butane (C4H10)

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(5) Hydrogen (H2)

(6) Natural gas (Natural Gas)

(7) Liquefaction petroleum gas (LPG)

These gases are widely used in industrial production, energy supply and daily life, once the leakage or accumulation to a certain concentration, it may cause a fire or explosion and other serious accidents.Therefore, real-time monitoring and alarm of these gases through the gas alarm can effectively prevent and control safety risks.

3. specific ambient gases:

(1) Oxygen (O2)

(2) Carbon dioxide (CO2)

(3) helium (He)

(4) argon (Ar)

although these gases not necessarily flammable or toxic, however, changes in their concentration may also affect the safety of personnel and the proper operation of equipment.For example, a low concentration of oxygen may cause suffocation of personnel, while a high concentration of carbon dioxide may accelerate corrosion and aging of equipment. Therefore, the monitoring of these gases by gas alarms is equally important.

It should be noted that the above are just some common gas types. In fact, gas alarms can be customized for specific industries or application scenarios to detect more different types of gases.