Description

The MQ2 Gas Sensor is a highly sensitive device designed to detect a wide range of flammable gases, including methane, propane, butane, and natural gas. Utilizing a tin oxide (SnO2) semiconductor, the sensor's conductivity increases in the presence of combustible gases, providing an output signal proportional to the gas concentration. The sensor is suitable for applications such as gas leakage detection in homes and factories, offering a low-cost solution with high sensitivity to gases like smoke, methane, and other flammable vapours. It provides dual signal output options, making it easy to integrate into various systems for both analogue and digital readings.

Why Choose the MQ2 Gas Sensor?

The MQ2 Gas Sensor is designed to offer an affordable and reliable solution for detecting a variety of flammable gases. It provides two output signals (analogue and TTL), allowing for flexible integration into various systems. Its low-power consumption and fast response make it ideal for real-time gas monitoring in both residential and industrial environments. With high sensitivity to gases such as methane, propane, and smoke, this sensor ensures safety and reliability in gas leak detection. Its simple circuit design makes it easy to use, and it is well-suited for a range of gas detection applications.

Key Features

Wide Gas Detection: Detects methane, propane, butane, smoke, and other flammable gases.
Dual Output Signals: Provides both analogue output (0-5V) and TTL digital output (low-level signal).
High Sensitivity: Responds to a wide range of combustible gases with increased voltage corresponding to higher concentrations.
Cost-Effective: Affordable solution for various gas detection applications.
Easy Integration: TTL output can be directly connected to microcontrollers for easy interfacing.
Simple Circuit Design: Requires minimal components for operation.
Wide Application Range: Ideal for home and industrial gas leak detection systems.

Technical Specifications

Operating Voltage: 5V DC
Output Signals: Analog output (0-5V) and TTL digital output (low-level signal)
Gas Sensitivity: Methane, propane, butane, smoke, and other flammable gases
Analog Output Range: 0V to 5V (higher concentration results in higher voltage)
Main Chip: LM393, ZYMQ-2 gas sensor
Power Consumption: Low power, suitable for continuous monitoring

Note: The MQ2 Gas Sensor requires a simple circuit to convert changes in conductivity to an output signal, making it easy to use for real-time gas detection. It’s ideal for monitoring flammable gases in various environments, including homes and factories.