MQ7 Carbon Monoxide Gas Sensor Module

The MQ7 Carbon Monoxide Gas Sensor Module is designed to detect concentrations of carbon monoxide (CO) in the air and output its readings as an analog voltage. Here are the key features, specifications, and applications of this sensor module:

  Features:  

• Analog output voltage: higher concentration leads to higher voltage
• Better sensitivity to carbon monoxide detection
• Four screw holes for easy positioning
• Long service life and reliable stability
• Rapid response and recovery characteristics

  Specifications:  

• Operating Voltage: DC 5V
• Detection Range: 10 to 1000 ppm
• Characteristic Gas: 100 ppm CO
• Sensitivity: ‰¥ 3%
• Return Time: 30 sec
• Heating Resistance: ± 31 Ω
• Heating Current: 180 mA
• Heating Voltage: 5.0V ± 2V / 1.5 ± 1V
• Heating Power: Approx. 350 mW
• Ambient Temperature: -20°C to +50°C
• Humidity: 95% RH
• Oxygen Content: 21%
• Dimensions (mm): 35 x 22 x 18
• Weight: 20g

  Package Includes:  

• 1 x MQ-7 CO Carbon Monoxide Gas Sensor Module

  Applications:  

• Carbon monoxide detection in homes, industries, and vehicles
• Safety monitoring systems
• Air quality monitoring systems
• Gas leak detection systems

The MQ-7 CO Gas Sensor Module provides a reliable and cost-effective solution for detecting carbon monoxide concentrations, making it suitable for a variety of applications where monitoring CO levels is critical for safety.