MQ-3 Alcohol Ethanol Sensor Breath Gas Detector Ethanol For Arduino

The main : LM393, MQ-3 gas sensor
Operating voltage: DC3-5V
Response time:≤10s（70% Response）
Recovery time:≤30s（70% Response）
Heating resistance:31Ω±3Ω
Heating Current:≤180mA
Heating Voltage:5V±0.2V
Heating :≤900mW
detect Voltage:≤15V
Ambient Temperature:-10℃ to 65℃,
Humidity:≤95%RHnb
Storage conditions: Temperature:-20℃-70℃,Humidity:≤ 70%RH
1 x Module

Features:
1. Signal output instructions;
2. Dual signal output (analog output, and TTL level output);
3. TTL output valid signal is low, can be connected directly to the microcontroller;
4. 0 ~ 5V analog output voltage, the higher the concentration the higher the voltage;
5. Has a high sensitivity and good selectivity to ethanol ;
6. Has a long life and reliable stability;
7. Rapid response recovery characteristics;

Package included:

1 X Ethanol Sensor














a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a