Description:
The MQ-2 Smoke and Combustible Gas Sensor Module is a versatile device designed to detect a variety of gases, including LPG, methane, hydrogen, and smoke. Utilizing a tin dioxide (SnO₂) sensitive layer, the sensor exhibits low conductivity in clean air, which increases in the presence of target gases. This change in conductivity allows for the detection of gas concentrations ranging from 300 ppm to 10,000 ppm, making it suitable for applications such as gas leakage detection, fire alarms, and air quality monitoring systems.
The sensor operates with a heating voltage of 5V and provides both analog and digital output signals, facilitating easy integration with microcontrollers and ADC modules for monitoring and analysis. Its compact design and high sensitivity make it an ideal choice for various gas detection applications.
Specifications:
- Target Gases: LPG, methane, hydrogen, smoke
- Detection Range: 300 ppm to 10,000 ppm
- Heater Voltage: 5V ±0.1V
- Load Resistance (RL): Adjustable (typically 20 kΩ)
- Heater Resistance (RH): 33Ω ±5% at room temperature
- Heating Consumption: ≤750 mW
- Operating Temperature: -10°C to 50°C
- Operating Humidity: ≤95% RH
- Response Time: ≤20 seconds
- Recovery Time: ≤30 seconds
Features:
- High sensitivity to a variety of combustible gases and smoke
- Stable and long lifespan
- Simple drive circuit
- Fast response and recovery times
- Compact and easy to integrate into various applications
Contents:
- 1 x MQ-2 Smoke and Combustible Gas Sensor Module
