MQ-2 Gas Sensor - Arduino, ARM and other MCU

MQ-2 Gas Sensor - Arduino, ARM and other MCU

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SKU: SEN19
Availability : In Stock Pre order Out of stock
Categories: Gas And Dust Sensor
Description

The MQ-2 Gas Sensor is a versatile, high-sensitivity sensor designed for detecting a variety of gases, including LPG, smoke, methane, carbon monoxide (CO), and alcohol. This sensor is ideal for use in air quality monitoring, fire detection, and home safety systems. With its ability to provide analog output based on the concentration of gases in the air, the MQ-2 sensor can be integrated into projects involving microcontrollers such as Arduino, ARM, or other MCU-based platforms.

It operates by heating a sensing material in the presence of specific gases, altering the resistance, which is then converted to a readable signal. The MQ-2 sensor features a fast response time and long-term stability, making it a popular choice for embedded applications. Easy to interface with through its analog output pin, this gas sensor ensures that you can easily build gas detection systems for a range of use cases.


Short Application:

Perfect for use in home automation systems, industrial safety, smoke detectors, and air quality monitoring projects. It can be easily integrated with Arduino, ARM, and other MCU-based systems for real-time gas detection and environmental monitoring.


Short Feature:

  • Detects a wide range of gases including LPG, smoke, methane, CO, and alcohol.

  • Analog output for easy integration with various microcontrollers like Arduino and ARM.

  • Simple to use with fast response time and long-term stability.

  • Ideal for home safety, fire detection, and air quality monitoring.

  • Adjustable sensitivity for optimal detection performance.


Specification Table:

Feature Specification
Sensor Type Semiconductor-based (Metal Oxide Semiconductor)
Gas Detection LPG, Smoke, Methane, CO, Alcohol
Sensitivity Range Adjustable sensitivity
Output Signal Analog Output (0-5V)
Heating Voltage 5V DC
Heating Resistance 33Ω ± 5%
Operating Voltage 5V DC
Response Time ≤ 10 seconds
Preheating Time ≤ 24 hours (initial warm-up)
Operating Temperature Range -10°C to +50°C
Operating Humidity Range 95% RH max
Dimensions 32 x 22 x 27 mm (Approx.)
Weight 15g

Package Includes:

  • 1 x MQ-2 Gas Sensor Module