MQ135 Air Quality Detector Sensor Module

The MQ135 Air Quality Detector Sensor Module is designed for detecting air quality and provides both digital and analog outputs. It is sensitive to gases such as Ammonia, Sulphide, Benzene steam, smoke, and other harmful gases. Here are the key features, specifications, and applications of the MQ135 sensor module:

  Features:  

• Sensitive to Ammonia, Sulphide, Benzene steam, and other harmful gases
• Signal output instructions
• Low-level TTL output signal
• Analog 0 ~ 5V voltage output, higher concentration results in higher voltage
• Sensitive to benzene, alcohol, smoke, and other harmful gases
• Fast response and recovery
• Adjustable sensitivity
• Signal output indicator
• Output voltage increases with the concentration of measured gases

  Specifications:  

• IC Chip: MQ-135
• Operating Voltage: 5V
• Operating Current: 150mA
• Digital Output (DOUT): TTL output
• Analog Output (AOUT): Analog output
• Preheat Time: Over 20s
• Detecting Range: 100ppm to 1000ppm
• Dimension: 32mm x 20mm x 27mm

  Applications:  

• Family and environment noxious gas detection device
• Detection of Ammonia, Aromatics, Sulfur, Benzene vapor, and other harmful gases/smoke
• Tested concentration range: 10 to 1000 ppm

  Package Includes:  

• 1 x MQ135 Air Quality Sensor Module

The MQ135 sensor module offers a cost-effective solution for detecting a variety of harmful gases, making it suitable for applications in homes, industrial environments, and air quality monitoring systems.