MQ-135 Air Quality Sensor Harmful Gas Detection

MQ-135 Air Quality Sensor Description

The MQ-135 Air Quality Sensor is a high-sensitivity module designed to detect harmful gases and air pollutants, including NH₃, NOx, alcohol, benzene, CO₂, and other volatile organic compounds (VOCs). This sensor is widely used in air quality monitoring, environmental safety, and IoT-based applications. Its fast response time and analog output make it easy to integrate with microcontrollers such as Arduino, Raspberry Pi, or ESP32.

MQ-135 Air Quality Sensor Features

• Wide Detection Range: Detects harmful gases and air pollutants with high accuracy.
• Analog Output: Provides a proportional voltage signal based on detected gas levels.
• Adjustable Sensitivity: Features a potentiometer for fine-tuning detection thresholds.
• Compact Design: Lightweight and easy to integrate into projects.
• Durable Performance: Built to withstand varying environmental conditions.

MQ-135 Air Quality Sensor Specifications

• Operating Voltage: 5V DC
• Output Type: Analog voltage
• Detection Range: 10ppm to 1000ppm (harmful gases)
• Preheat Time: 20 seconds
• Operating Temperature: -10°C to 50°C
• Dimensions: Compact and lightweight

MQ-135 Air Quality Sensor Applications

• Air Quality Monitoring: Ideal for measuring indoor and outdoor air quality levels.
• Environmental Safety: Detects harmful gases in residential, commercial, and industrial settings.
• IoT Systems: Integrates with smart devices for real-time air quality analysis.
• DIY Electronics: Perfect for Arduino or Raspberry Pi-based air monitoring projects.
• Educational Projects: Ideal for learning about gas sensors and air quality measurement techniques.