MQ-4 Natural Gas, Methane Gas Sensor

The MQ4 Natural Gas, Methane Gas Sensor Module is designed for detecting methane (CH₄) concentrations in the air. It utilizes a gas-sensitive semiconductor sensor that provides high sensitivity to methane with fast response and recovery times. This module is widely used in gas leak detection systems, industrial safety applications, and environmental monitoring.

Key Features:

• High sensitivity to methane (CH₄) and natural gas
• Fast response and recovery time
• Stable and long lifespan
• Easy to interface with microcontrollers and development boards
• Analog output signal for easy integration
• Low power consumption

Technical Specifications:

• Detection Range: 200ppm to 10000ppm CH₄
• Sensitivity: ≥ 10mV/ppm (CH₄)
• Heating Voltage: 5V ± 0.2V (AC or DC)
• Load Resistance: Adjustable
• Preheat Time: 24 hours
• Response Time: ≤ 10 seconds
• Recovery Time: ≤ 30 seconds
• Operating Temperature Range: -20°C to +50°C
• Operating Humidity: ≤ 95% RH
• Power Consumption: ≤ 900mW
• Dimensions: 32mm x 20mm x 22mm
• Weight: 5g

Applications:

• Gas Leak Detection Systems: Used in homes, offices, and industrial environments to detect methane gas leaks.
• Industrial Safety: Ensures safety in industrial settings by monitoring methane levels.
• Environmental Monitoring: Applied in systems that monitor air quality and methane pollution levels.
• Automotive: Used in vehicle systems to detect and monitor exhaust gas levels.
• Smart Home Devices: Integrated into smart home safety systems for methane gas detection.