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
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