MQ Gas Detector Sensor MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Air Quality Smoke Alcohol LPG CNG Hydrogen Gases

Option :

MQ-2: Sensitive to methane, butane, LPG, smoke (for flammable gases)

MQ-3: Alcohol, ethanol, smoke

MQ-4: Methane, CNG gas

MQ-5: Natural gases, LPG

MQ-6: LPG, butane gas

MQ-7: carbon monoxide

MQ-8: Hydrogen gas

MQ-9: Carbon monoxides, flammable gases

MQ-135: Air quality, benzone, alcohol, smoke



Application:

For harmful gas family, environment detection device, is suitable for the detection of the ammonia, aromatic compounds, sulfide, benzene vapor, smoke and other harmful gas, gas sensitive element concentration range: 10 to 1000ppm provides reference cases.



1.With signal output indicator light.

2.Size: 32mm X22mm X30mm+- length * width * height.

3.The main chip: LM393, MQ-x gas sensing probe.

4.Working voltage: DC 5V.

5.With signal output indicator light.

6.The dual signal output (analog output and TTL output).

7.The analog output and increased with the increase of concentration, the higher the concentration higher voltage.

8.Has a very high sensitivity to sulfide, benzene vapor, smoke and other harmful gases.

9.With a long service life and reliable stability.

10.Quick response and recovery characteristics.

11.With mounting holes, easy mounting.

12.The probe can be plug design, convenient test.

13. Adjustable sensitivity (Digital Signal) via blue multiturn variable resistor potentiometer.