MQ-3 Alcohol Ethanol Sensor Breath Gas Detection Sensor Module Geekcreit for Arduino - products that work with official

Description:The main chip: LM393, MQ-3 gas sensorOperating voltage: DC3-5VResponse time: 10s (70% Response)Recovery time: 30s (70% Response)Heating resistance: 313Heating Current: 180mAHeating Voltage: 5V0.2VHeating Power: 900mWdetect Voltage: 15VAmbient Temperature: -10℃ to 65℃,Humidity: 95%RHStorage conditions: Temperature:-20℃-70℃,Humidity: 70%RHFeatures:Signal output instructions;Dual signal output (analog output, and TTL level output);TTL output valid signal is low, can be connected directly to the microcontroller;0 ~ 5V analog output voltage, the higher the concentration the higher the voltage;Has a high sensitivity and good selectivity to ethanol vapor;Has a long life and reliable stability;Rapid response recovery characteristics;Applications:For motor vehicle drivers and other non-drinking and operating personnel on-site testing, also used in other places of ethanol vapor detection, detection of alcohol: detection range of 10 to 1000ppmPackage included:1 x Alcohol moduleIf you want another model, you can click on the IDModelGas DetectionItem IDMQ2flammable gas/smoke1144079MQ3 alcohol steam1414301MQ4Natural gas/Methane1377624MQ5 Liquefied gas/Methane/Coal gas /LPG1378464MQ6 Liquefied gas/Isobutane/Propane/LPG1378477MQ7 Carbon monoxide915474MQ8 hydrogen1378425MQ9 Carbon monoxide flammable gas1378463MQ131Ozone Concentration1183257MQ135 Ammonia/sulfide/benzene vapor1378465A set of MQ1005800