MQ3 Alcohol - Ethanol Sensor Module
$2.78
10 or more $2.50
100 or more $2.10
- Stock: In Stock
- Product Code: S25.MQ3
- Weight: 10.00
MQ3 Alcohol - Ethanol Sensor Module
The MQ3 Alcohol-Ethanol Sensor Module is a high-quality, reliable sensor designed to detect alcohol concentration in the air. It is ideal for a variety of applications, including breathalyzers, alcohol detectors, and other safety systems.
Key Features
- High sensitivity to alcohol and small sensitivity to benzine.
- Fast response and recovery characteristics.
- Stable and long lifespan.
- Simple drive circuit.
- Low cost and compact size.
Technical Specifications
- Operating Voltage: 5V
- Detection Range: 10ppm-1000ppm Ethanol
- Heating Resistance: 31Ω±3Ω
- Heating Current: ≤180mA
- Heating Voltage: 5.0V±0.2V /1.5±0.2V
- Heating Power: ≤900mW
- Response Time: ≤10s (70% Response)
- Recovery Time: ≤30s (70% Response)
Connection mode
- VCC: Positive (5 v)
- GND: Connect power negative
- DO: TTL switch signal output
- AO: Analog signal output
Possible Applications
- Breathalyzers: For detecting alcohol concentration in a person's breath.
- Alcohol Detectors: For monitoring alcohol levels in various environments.
Safety Systems: Can be integrated into safety systems to detect alcohol levels and trigger alarms.
