Dual Gas CO and CH4 Detection Sensor - MQ-9B

Dual Gas CO and CH4 Detection Sensor - MQ-9B (SEN-17050)

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The MQ-9B is a CO and CH₄ gas detection sensor form Winsen. The sensing material of the MQ-9B is SnO2, which has a low conductivity in clean air. It detects carbon monoxide (1.5V) by method of cycling high and low temperature. The sensor’s...