HQ MQ-9 module carbon monoxide combustible gas sensor alarm module

Detail HQ MQ-9 module carbon monoxide combustible gas sensor alarm module

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MQ-9 Sensor Profile:
MQ-9 gas sensors sensitive material used in the clean air, low conductivity tin
oxide (SnO2). High-low temperature cycling detection mode (1.5V heating)
detecting carbon monoxide sensor's conductivity increases with the air of carbon
monoxide gas concentration increases, spurious adsorption at high temperature
(5.0V heat) detection of combustible gases methane, propane, and cryogenic
cleaning gas. Using a simple circuit to change the conductivity, concentration
of the gas is converted to the corresponding output signal. MQ-9 gas sensor for
high carbon monoxide, methane, liquefied petroleum gas sensitivity, this sensor
can detect a variety of carbon monoxide and combustible gas, is a low-cost
sensor suitable for a variety of applications

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