MQ135 Gas Sensor

MQ135 Gas Sensor | Air Quality & Harmful Gas Detection Module

The MQ135 Gas Sensor is a high-performance air quality sensor module designed to detect harmful gases and pollutants in the environment. It is widely used in air pollution monitoring, IoT applications, smart home systems, and industrial safety projects. With high sensitivity and fast response time, the MQ135 gas sensor delivers accurate and reliable readings for continuous monitoring.

This MQ135 air quality sensor can detect gases such as carbon dioxide (CO₂), ammonia (NH₃), nitrogen oxides (NOx), benzene, alcohol, and smoke, making it ideal for environmental monitoring and gas leakage detection systems. The sensor features an analog output, allowing easy integration with Arduino, ESP32, ESP8266, Raspberry Pi, and other microcontrollers.

Key Features

• Detects CO₂, NH₃, NOx, benzene, alcohol, and smoke

• High-sensitivity air quality gas sensor

• Fast response and stable performance

• Long operational lifespan

• Analog output for precise gas measurement

• Easy to interface with Arduino and IoT boards

Applications

• Air quality monitoring systems

• IoT and smart home projects

• Industrial and commercial gas detection

• Environmental pollution monitoring

• DIY electronics and academic projects

Technical Specifications

• Model: MQ135 Gas Sensor

• Sensor Type: Semiconductor air quality sensor

• Operating Voltage: 5V DC

• Output Signal: Analog

• Target Gases: CO₂, NH₃, NOx, benzene, alcohol, smoke

• Operating Temperature: -10°C to 50°C

Package Contents

• 1 × MQ135 Air Quality Gas Sensor Module