MQ-135 Gas sensor air quality module

MQ-135 Gas sensor air quality module


RRP: $7.00
Price: $5
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Select quantity discount: 1x MQ-135
  • To detect from various poison gases such as benzone, alcohol, smoke and contamination in the air
  • Resolution: 10 ~ 1000ppm // Sensitive resistance: 2kΩ to 20kΩ in 100ppm CO // Accuracy: ≥ 3% // Reaction time: ≤ 1s // AN response time after switching on: ≤ 30s // Heating current: ≤ 180ma // Heating voltage: 5.0V ± 0.2V / 1.5 ± 0.1V // Input voltage: 5V // Heating supply approx.: 350mw // Dimensions: approx. 30mm (length) * 20mm (width)
  • As usual high quality and fast delivery directly from Germany by ordering from AZ-Delivery
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Product Details

Ean 4260581550950
Product Name Gas Sensor Modul MQ-135
Number of Items 1
Size 37,0 x19,5x18,0mm
Weight 0,018kg

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Product Description

The AZ Delivery MQ-135 air quality sensor as a ready-to-connect module for Raspberry Pi

Easy to use sensor for measuring the concentration of various poison gases such as benzone, alcohol, smoke and contamination in the air. The MQ-135 measures a gas concentration of 10 to 1000ppm and is ideal for recognizing a gas leaf, as a gas alarm or for other robotics and microcontroller projects.

The sensors of the MQ series use a small heating element with an electronic-chemical sensor. They are sensitive to various gases and are suitable for use in rooms.

The sensor has a high sensitivity and quick response time, but needs a few minutes for it to output precise measurements, since the sensor has to heat up first.The measured valuesof the sensorissued as an analog value, which can be easily evaluated with a microcontroller.

This sensor is ready for connecting for a microcontrollersuch as an Arduino board. An AD converter is also required for use with a Raspberry Pi.

Pin assignment:

  • VCC - power supply 5V
  • GND - mass connection
  • Aout - analog output
  • Dout - digital output

The module has a potentiometer to adjust the threshold. The sensor only spends a 0 or 1 on the digital pin, depending on the OB the set threshold is exceeded.

Caution:The sensor gets warm in the operation!

Details:

  • Resolution: 10 ~ 1000ppm
  • Sensitive resistance: 2kΩ to 20kΩ in 100ppm CO
  • Accuracy: ≥ 3%
  • Reaction time: ≤ 1s
  • AN response time after switching on: ≤ 30s
  • Heating current: ≤ 180mA
  • Heating voltage: 5.0V ± 0.2V / 1.5 ± 0.1V
  • Input voltage: 5V
  • Heating supply approx.: 350mw
  • Dimensions: approx. 30mm (length) * 20mm (width)

The AZ Delivery MQ-135 air quality sensor as a ready-to-connect module for Raspberry Pi

Easy to use sensor for measuring the concentration of various poison gases such as benzone, alcohol, smoke and contamination in the air. The MQ-135 measures a gas concentration of 10 to 1000ppm and is ideal for recognizing a gas leaf, as a gas alarm or for other robotics and microcontroller projects.

The sensors of the MQ series use a small heating element with an electronic-chemical sensor. They are sensitive to various gases and are suitable for use in rooms.

The sensor has a high sensitivity and quick response time, but needs a few minutes for it to output precise measurements, since the sensor has to heat up first.The measured valuesof the sensorissued as an analog value, which can be easily evaluated with a microcontroller.

This sensor is ready for connecting for a microcontrollersuch as an Arduino board. An AD converter is also required for use with a Raspberry Pi.

Pin assignment:

  • VCC - power supply 5V
  • GND - mass connection
  • Aout - analog output
  • Dout - digital output

The module has a potentiometer to adjust the threshold. The sensor only spends a 0 or 1 on the digital pin, depending on the OB the set threshold is exceeded.

Caution:The sensor gets warm in the operation!

Details:

  • Resolution: 10 ~ 1000ppm
  • Sensitive resistance: 2kΩ to 20kΩ in 100ppm CO
  • Accuracy: ≥ 3%
  • Reaction time: ≤ 1s
  • AN response time after switching on: ≤ 30s
  • Heating current: ≤ 180mA
  • Heating voltage: 5.0V ± 0.2V / 1.5 ± 0.1V
  • Input voltage: 5V
  • Heating supply approx.: 350mw
  • Dimensions: approx. 30mm (length) * 20mm (width)

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