Gas Sensor for Air Quality MQ-135

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Gas Sensor for Air Quality MQ-135 belongs to the class of sensors that senses the atmosphere parameters. MQ-135 measures the quality of the air of the surrounding to let the people breath clean and quality air. The interface of the MQ-135 sensor is very simple and it consumes very low power therefore MQ-135 is a power-efficient sensor and this makes this sensor economical for the use in devices for commercial scale.

MQ-135 is a very stable sensor and it also has a built-in potentiometer to change the target for the Air Quality sensing parameter. For the ease of the user, this sensor has both types of output, Digital Output, and Analog Output. This sensor response very fast and the quality of air can be measured in real-time.

mq-135 air quality sensor

Features:

  1. Both types of output (Analog and Digital)
  2. Compact size sensor so that it can use in any environment.
  3. Runs for a lifetime
  4. Highly Stable Sensor
  5. Very simple Interface
  6. Fast Response
  7. Ultra Sensitive
  8. Adjustable Sensitivity

Pin Description MQ-135 Air Quality Gas Sensor

Pin NamePin Description
VCC Input Voltage
GND Ground
D0 Digital Output
A0 Analog Output

Specifications:

  1. Input Voltage: 5V
  2. Input Current: 150mA
  3. Analog Output: 0 ~ 5V
  4. Detectable Concentration: 10ppm ~ 1,000ppm
  5. Operating Temperature: -10°C to 50°C
  6. Dimensions of the module: 40mm x 21mm

Applications & Uses:

  1. Air Quality Monitors
  2. Home and Offices
  3. Industrial Areas Living Premises
  4. Handheld Air Quality Monitor