MQ-9 carbon monoxide gas sensor detection alarm module

Introduction to mq-9 sensors:
The gas-sensitive material used in the MQ-9 gas sensor is a tin dioxide (SNO2) with a lower conducting rate in the clean air.Use high and low temperature circulation detection method Low temperature (1.5V heating) to detect carbon monoxide. The conductivity of the sensor increases with the concentration of carbon dioxide gas in the air.gas.Use a simple circuit to convert the changes of the conductivity to the output signal corresponding to the gas concentration.The MQ-9 gas sensor has high sensitivity to carbon monoxide, methane, and liquefied gas. This sensor can detect a variety of carbon-containing gas-containing gases. It is a low-cost sensor suitable for multiple applications

Product Attributes
Brand	none
Model	MQ-9
Radio frequency type	Power module

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