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MQ135 Air Quality Ammonia Gas Sensor ModuleMQ135 Gas Sensor module for Air Quality having Digital as well as Analog output. Sensitive material of MQ135 gas sensor is SnO2, which with lower conductivity in clean air. When the target combustible gas exist, The sensors conductivity is more higher along..

MQ135 is an air quality sensor for detecting a wide range of gases, including NH3, NOx, alcohol, benzene. MQ135 gas sensor has high sensitivity to Ammonia, Sulfide and Benzene steam, and other harmful gases. It is with low cost & particularly suitable for Air quality monitoring application.Featu..