Description
Alcohol Ethanol Detection Sensor MQ3
- High quality double panel design, with power indicator and TTL output signal.
- Have DO switch signal(TTL) output and AO analog signal output.
- TTL output signal for low level effectively. (when the low output electric signal lights at ordinary times, can be directly connect single chip microcomputer or relay module)
- Analog output voltage with concentration, the higher concentration, the higher voltage.
- Has better sensitivity with the liquefied petroleum gas, natural gas, city gas, smoke.
- Has long service life and reliable stability
- Rapid response recovery features
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