MQ2 Gas Sensor Module

The MQ2 Gas Sensor Module is a sturdy and dependable instrument engineered to identify smoke, butane, and methane presence in various environments. This device is crucial for maintaining safety in diverse contexts.

Technical Details

The sensor's sensitive component is tin oxide (SnO2), which has low conductivity in clean air. The sensor's conductivity increases with the rising concentration of combustible gases in the air. A simple circuit is used to convert the change in conductivity to an output signal corresponding to the gas concentration.The MQ-2 gas sensor exhibits high sensitivity towards gases like propane, hydrogen, and natural gas, and it can effectively detect other flammable vapors. This low-cost sensor can identify a variety of flammable gases, making it suitable for numerous applications.This product package includes the MQ sensor carrier board. It operates at 5V and offers TTL level digital and analog outputs, facilitating easy integration with Arduino and other microcontrollers.

Key Features

• High Sensitivity: The MQ2 Gas Sensor Module is extremely sensitive to smoke, butane, and methane, ensuring precise and trustworthy measurements.
• Wide Detection Range: The module can identify a broad spectrum of combustible gases, making it a multi-purpose tool for different applications.
• User-friendly: The module can be easily interfaced with any microcontroller, making it accessible and easy to use.
• Durability: Constructed with top-notch materials, the MQ2 Gas Sensor Module is designed for longevity, offering consistent service over time.

Technical Specifications

• Operating Voltage: 5V
• Detection Concentration: 300-10000ppm
• Interface Type: Analog Output
• Response Time: <1s
• Heating Resistance: 31Ω±3Ω

Possible Applications

• Home and Industrial Safety: The MQ2 Gas Sensor Module can be employed in residential and industrial settings to identify gas leaks and avert potential mishaps.
• Environmental Monitoring: The module can be utilized in environmental monitoring systems to detect harmful gases.
• Gas Leak Detectors: The module can be incorporated into gas leak detectors for both commercial and residential usage.
• Fire Safety Systems: The module can be used in fire safety systems to detect smoke and activate alarms.

Datasheet