This is a simple-to-use gas sensor for indoor air quality monitor, suitable for sensing NH3, NOx, alcohol, Benzene, smoke and CO2 in the air. The MQ-9 can detect NH3 and Alcohol gas concentrations anywhere from 10-300ppm and Benzene from 10-1000ppm. This sensor has a high sensitivity and fast response time. The sensitivity of the sensor can be adjusted by potentiometer.
- Good sensitivity to NH3,NOx, Alcohol, Benzene, smoke andCO2
- Fast response
- Stable and long life
Dimensions: 32.5(L) x 20.75(W) x 21.75(H)