MQ3 Alcohol - Ethanol Sensor

The MQ3 Alcohol-Ethanol Sensor is a high-quality sensor designed to detect alcohol concentration in the air. It is ideal for use in a variety of applications, including breathalyzers, alcohol detection systems, and safety devices.

Key Features

• High sensitivity to alcohol and small sensitivity to benzine.
• Fast response and recovery characteristics.
• Stable and long life.
• Simple drive circuit.

Technical Specifications

• Operating Voltage: 5V
• Detection Range: 10ppm-1000ppm Alcohol
• Heater resistance: 31Ω±3Ω
• Heating consumption: <1.5W
• Preheat time: Over 24 hours

Possible Applications

• Alcohol Detection Systems: The sensor can be used in devices designed to detect the presence of alcohol in the air, such as breathalyzers.
• Safety Devices: It can be integrated into safety devices that alert users when alcohol levels exceed a certain limit.
• Industrial Monitoring: The sensor can be used in industrial settings to monitor alcohol levels in the environment, ensuring worker safety.