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MQ-135 Air Quality Hazardous Gas

MQ-135 Air Quality Hazardous Gas
-50%
MQ-135 Air Quality Hazardous Gas
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  • Stock: In Stock
  • Brand: TECHDELIVERS
  • Model: TD-MQ135M
  • Weight: 50.00g
190 samples sold
Product Views: 1290
₹149.9
₹298.5
Ex Tax: ₹127.0

MQ-135 Air quality and hazardous gas detection sensor module for projects

MQ-135 Gas Sensor (Air Quality Sensor) Module

Sensitive material MQ135 gas sensor is used in clean air low conductivity tin oxide (SnO2). When the sensor is kept in their environment. In the polluting gases , the conductivity sensor with increasing air pollution in gas concentration increases. Using a simple circuit can change the conductivity. Conversion of an output signal corresponding to the gas concentration .

MQ135 sensor for ammonia, sulfide , benzene vapor high sensitivity of the smoke and other harmful monitor is also very good. This sensor can be seized. Measure a variety of harmful gases , is a low-cost sensors for a variety of applications.

Air quality sensor for detecting a wide range of gases, including NH3, NOx, alcohol, benzene, smoke and CO2. Ideal for use in office or factory, simply drive and monitoring circuit.
 
Module Features :
  1. Using high-quality dual-panel design, with power indicator and TTL signal output instructions.
  2. The switching signal having a DO (TTL) output and analog output AO.
  3. TTL output valid signal is low. ( Low-level signal when the output light can be directly connected to the microcontroller or relay module )
  4. The higher the voltage , the concentration of the analog output voltage is higher.
  5. Air quality , hazardous gas detection with good sensitivity.
  6. There are four screw holes for easy positioning.
  7. Has a long life and reliable stability.
  8. Rapid response and recovery characteristics.
 
Features:
  • Wide detecting scope
  • Fast response and High sensitivity
  • Simple drive circuit
  • Stable and Long Life
  • Detection Range: 10 - 300 ppm NH3, 10 - 1000 ppm Benzene, 10 - 300 Alcohol
  • Heater Voltage: 5.0V

Electrical properties:

  • Input voltage : DC5V Power consumption ( current ): 150mA
  • DO output : TTL digital 0 and 1 ( 0.1 and 5V)
  • AO output :0.1-0 .3 V ( relative to pollution ) , the maximum concentration of a voltage of about 4V

Special note: After the sensor is powered, needs to warm up around 20 seconds, measured data was stable, heat sensor is a normal phenomenon, because the internal heating wire, if hot is not normal .

*Image shown is a representation only.

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