| Place of Origin |
Henan China (Mainland) |
| Brand Name |
Hanwei |
| Model Number |
MQ4 |
Gas leak detection for houses, workshops, commercial building,Fire, Safety detection system. Coal gas, CO etc gas detection for houses/workshops/commercial building Gas leak alarm, Gas detector.Semiconductor sensor for Flammable gas, Plastic or Metal coverModelTarget GasApplication CircuitConfigurationDatasheetMQ-2General combustible gasMQ-3AlcoholMQ-4Natural gas, MethaneMQ-5LPG, Natural gas, Coal gasMQ-6LPG, PropaneMQ-7 Carbon MonoxideMQ-8HydrogenMQ-9CO and Combustible gasMQ306LPG, PropaneMQ307Carbon MonoxideMQ303AlcoholMQ131OzoneMQ135Air Quality ControlSemiconductor sensor for Toxic gas MQ136Sulfureted Hydrogen (H2S)MQ137Ammonia (NH3)MQ138VOC (Mellow, Benzene, Aldehyde, Ketone, Ester )