Waveshare MQ-135 Gas Sensor
A versatile gas sensor module for air quality monitoring
- Application: Air quality monitor
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Features:
- Sensitive for benzene, alcohol, smoke
- Output voltage boosts with gas concentration
- Fast response and recovery
- Adjustable sensitivity
- Package Includes: 1 x Waveshare MQ-135 Gas Sensor
If you want to detect different types of gases, you will need sensors. The Waveshare MQ-135 Gas Sensor is a good solution for obtaining data on sensitive materials. This gas sensor module is designed for air quality monitoring and can measure benzene, alcohol, and smoke. It generates digital signals for triggering air treatment devices. The MQ-135 is commonly used in consumer and industry applications for air quality monitoring, specifically for detecting benzene, alcohol, and smoke while avoiding interference from LPG, natural gas, and coal gas.
The sensitivity of the MQ-135 sensor can be adjusted using the potentiometer. It utilizes SnO2 as a gas-sensing material, which has lower conductivity in clear air. In the presence of polluting gases, the sensor's conductivity increases with the concentration of the gas. The sensitive materials of the MQ-135 sensor are benzene, alcohol, and smoke. When combustible gas is detected, the sensor's conductivity increases with the rising gas concentration. By using a simple electro circuit, you can convert the change in conductivity into the corresponding output signal of gas concentration.
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