Sensors
MQ-135 Air Quality Gas Sensor
Specifications of MQ135 Gas Sensor:
- Wide detecting scope
- Fast response and High sensitivity
- Stable and long life Simple drive circuit
- Used in air quality control equipment for buildings/offices, is suitable for detecting
of NH3, NOx, alcohol, Benzene, smoke, CO2, etc. - Size: 35mm x 22mm x 23mm (length x width x height)
- Working voltage: DC 5 V
- Signal output instruction.
- Dual signal output (analog output, and high/low digital output)
- 0 ~ 4.2V analog output voltage, the higher the concentration the higher the voltage.
₨225
CompareMQ135 Gas Sensor Air Quality Sensor uses low conductivity tin oxide (SnO2) in clean air. It comes with basic components to enable the sensor to function properly and hook up easily to any controller you prefer. When the sensor is kept in their environment, its conductivity increases with the air pollution in gas concentration increases.
For Arduino, connect DO to any digital pin (if you want it in digital input). Connect AO at analog pin (if you want it in analog input).
MQ135 Specs:
- Detection of gas: Ammonia /Sulfide/ Benzene vapor
- Detection of Concentration:10-1000ppm
- Input voltage: DC 5V
- Power consumption (current): 150mA
- AO output: 0.1-0.3V (relatively non-polluting), the highest concentration voltage is about 4V
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