MQ-303A Description
HANWEI ELETRONICS CO.,LTD MQ-303A http://.hwsensor. GAS SENSOR MQ-303A for ALCOHOL DETECTION High sensitivity Low power consumption Miniature-size The MQ-303A is a tin dioxide semiconductor gas sensor which has a high sensitivity to alcohol with quick response speed. This model is suitable for alcohol detection such as portable breath alcohol checker or ignition locking system in automobiles.