The MQ-2 Gas Sensor based module is a low cost smoke sensor. It also detects combustible gases like Hydrogen, LPG, Methane etc.
INR: 250/- Buy Now!
MQ-3 module is a low cost alcohol(ethanol based) gas sensor module.
INR: 270/- Buy Now!
MQ-4 module is specially designed to detect combustible gases like LPG, Butane, Methane, propane etc.
MQ-5 gas sensor has high sensitivity towards propane, butane and especially methane.
MQ-6 gas sensor has high sensitivity towards propane, butane, LPG and natural gas.
MQ-7 gas sensor module primarily detects Carbon Monoxide.
MQ-8 gas sensor has high sensitivity towards Hydrogen.
MQ-9 gas sensor has high sensitivity towards Carbon Monoxide, methane and LPG.
The MQ-135 gas module is designed to detect hazardous gases in environment like sulphur, ammonia etc.