MQ-2 Gas Detector Sensor

Description

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

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. Dual signal output (analog output and TTL output).
7. Analog output: higher concentrations,  higher voltage.
8. Has a very high sensitivity to sulfide, benzene vapor, smoke, and other harmful gases.
9. 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.