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MQ-3 Alcohol Gas Sensor Detection Module
$1.2800
In stock
SKU
SEN-16-017
Volume discounts:
- +50 5 % $1.2200
- +100 7 % $1.1900
- +300 9 % $1.1600
- +500 11 % $1.1400
- +1000 13 % $1.1100
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The MQ-3 Alcohol Gas Sensor Detection Module is an alcohol detection module with analog and digital outputs. It is designed for ethanol vapor sensing and alcohol measurement through breath detection. The module includes signal output indication and LED indicators. It also supports sensitivity adjustment for flexible setup. The MQ-3 sensor is used with a low-level TTL output that can connect directly to a microcontroller.
Features of MQ-3 Alcohol Gas Sensor Detection Module
- Analog and digital outputs
- LED indicators included
- Sensitivity adjustment support
- TTL-level digital output
- High sensitivity to ethanol vapor
- Rapid response and recovery
Specifications of MQ-3 Alcohol Gas Sensor Detection Module
- Working voltage: 5V
- Working voltage: DC3-5V
- Input voltage: DC5V
- Working current: 150mA
- Accuracy: 0.05 mg/L ~ 10 mg/L alcohol
- Analog output: 0 to 5V
- Digital output: 0 or 5V
- DO output: TTL digital quantities 0 and 1 (0.1 and 5V)
- AO output: 0.1-0.3V (relatively no pollution)
- Highest concentration voltage: about 4V
- Detection range: 10 to 1000 ppm
- Operating temperature: -10°C ~ 70°C
- Size: 32mm X22mm X22mm length * width * height
- Main chip: LM393
- Main chip: MQ-3 gas sensor
How to Use MQ-3 Alcohol Gas Sensor Detection Module
- Connect the module to a 5V power supply.
- Read the analog or digital output from the module.
- Adjust the sensitivity as needed for the application.
More Info
- The module uses an internal heater-based MQ sensor structure.
- Alcohol lowers the internal sensor resistance.
- Do not wet the sensor with alcohol.
- It is suitable for ethanol vapor detection and alcohol measurement applications.
| Interface Type | Digital, Analog |
|---|---|
| Operating Voltage (V) | 5V |
| Operating Current (mA) | 150mA |
| Operating Temp (°C) | -10°C ~ 70°C |
| Output Type | Analog Voltage, Digital |
| Accuracy | 0.05 mg/L ~ 10 mg/L |
| Biometric Parameter | Gas Concentration |
| Target Gas | Alcohol |
| Detection Range | 0.05 mg/L ~ 10 mg/L |
| Sensor Type | MOX gas sensors |
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