MQ-135 Hazardous Gas Detection Sensor

Description

MQ-135 Hazardous Gas Detection Sensor is used in air quality control equipment. It is suitable for detecting or measuring of NH3, NOx, Alcohol, Benzene, Smoke, CO2. Moreover, its module version comes with a Digital Pin that makes the sensor to operate even without a microcontroller

Features of MQ-135 Hazardous Gas Detection Sensor includes;

• Stable, long life and low cost
• Operating Voltage is +5V
• Analog output voltage of 0V to 5V
• Digital output voltage of 0V or 5V (TTL Logic)
• Either used as a Digital or analog sensor
• Good sensitivity to Harmful gases in wide range
• Also has a high sensitivity to Ammonia, Sulfide and Benzene
• Lastly, has a simple drive circuit

Applications include;

• Air quality control equipment 
• Domestic air pollution detector
• Industrial air pollution detector
• Portable air pollution