The MQ-4 Methane Gas Sensor for Natural Gas and Coal Detection for Arduino is an advanced solution designed for reliable monitoring and detection of combustible gas leaks in both domestic and industrial settings. Manufactured in China under the MQ brand, model MQ-4, this sensor utilizes high-quality tin dioxide (SnO2) to deliver exceptional sensitivity to methane, natural gas, and coal gas.
Technical
Specifications
- Brand: MQ
- Model: MQ-4
- Origin: China
- Sensor Type: Methane Gas Sensor (SnO2-based)
- Operating Voltage: 5V
- Interface: 4 pins (+5V, AOUT, DOUT, GND)
- Detection Range: 200–10,000 ppm (parts per million)
- Response Time: Rapid (<10 seconds)
- Service Life: Long, with stable performance
Key
Features
- High sensitivity to a wide range of combustible gases
- Fast and accurate response to methane, natural gas, and coal gas
- Stable operation with a long lifespan
- Simple connection to Arduino or other microcontrollers
- Adjustable sensitivity via the built-in potentiometer
- Dual analog and digital outputs for flexible integration with alarm and automation systems
Use Cases
- Domestic gas leak alarms for kitchens, homes, and restaurants
- Portable gas detectors for engineers and safety professionals
- Industrial gas monitoring in factories and laboratories
- Educational projects and student experiments with Arduino and robotics
- Offices, server rooms, and enclosed spaces prone to gas leaks
Benefits
By integrating the MQ-4 sensor into your safety systems, you can protect your family or employees from the dangers of methane and natural gas leaks. Methane is a colorless and odorless gas, posing severe risks if undetected. The MQ-4 sensor delivers instant detection, enabling swift preventive action against explosions or hazardous incidents. It is an ideal tool for maintaining a safe environment and reducing environmental pollution caused by harmful gas emissions.
Care Instructions
- Install the sensor in a well-ventilated area away from excessive humidity and dust
- Clean gently with a dry cloth; avoid chemical cleaners
- Regularly inspect electrical connections to ensure optimal performance
- Periodically test the sensor to confirm its responsiveness in emergencies
With the MQ-4 Methane Gas Sensor, you get smart safety for your home, office, factory, or laboratory. Enhance your environment’s security with advanced, reliable gas detection technology.
