5Pcs Sensor Module Breath Gas Detector MQ-3 MQ3 Alcohol Ethanol Detection Ic cx
8,12 €
5Pcs Breath Gas Detector Ethanol Detection MQ-3 MQ3 Alcohol Sensor Module New Ic. Main chip: LM393. MQ-3 gas sensor. For motor vehicle drivers and the other non-drinking workers on-site inspection, also for other places of ethanol vapor detection, alcohol detection range: 10 ~ 1000ppm.
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