MQ3 Gas Sensor Module

MQ-3 – Alcohol, Ethanol, Smoke

Buy MQ3 Gas Sensor Module in Sri Lanka, Gas Sensor(MQ3) module is useful for gas leakage detection (in home and industry). It is suitable for detecting Alcohol, Benzine, CH4, Hexane, LPG, CO. Due to its high sensitivity and fast response time, measurements can be taken as soon as possible. The sensitivity of the sensor can be adjusted by using the potentiometer.

The MQ3 Gas Sensor Module is a cutting-edge device designed to detect and measure alcohol vapor concentrations in the air. With its high sensitivity and accuracy, this sensor module is an essential tool for ensuring safety, compliance, and responsible alcohol usage in various settings. Whether you need to monitor alcohol levels in industrial environments or promote responsible drinking in hospitality establishments, the MQ3 Gas Sensor Module is the perfect solution.

Key Features:

1. Alcohol Vapor Detection: The MQ3 sensor module is specifically calibrated to detect alcohol vapors in the air, including ethanol and other alcohol types. It provides real-time data to help you assess and manage alcohol exposure levels effectively.
2. High Sensitivity & Quick Response: Thanks to its high sensitivity, the MQ3 gas sensor can swiftly detect even trace amounts of alcohol vapors in the surrounding atmosphere. Its rapid response ensures timely alerts and facilitates prompt actions when necessary.
3. Accurate and Reliable: The module’s precise measurement capabilities offer reliable and consistent readings, making it suitable for various professional applications where accurate alcohol detection is paramount.
4. Analog and Digital Output: The MQ3 Gas Sensor Module features both analog and digital output options, providing flexibility for integration into different electronic systems and microcontrollers.
5. Low Power Consumption: With low power requirements, this gas sensor module is energy-efficient, enabling extended use without draining your power source excessively.
6. Simple Integration: The MQ3 Gas Sensor Module is designed for easy integration into various systems, ensuring a hassle-free setup and usage.

Applications:

The MQ3 Gas Sensor Module has diverse applications, including:

• Breathalyzer Devices: Used in breath alcohol testing equipment to determine blood alcohol concentration (BAC) for law enforcement, workplace safety, and personal use.
• Industrial Safety: Employed in industrial environments to monitor alcohol vapors and ensure safety compliance, especially in settings where alcohol is used in production processes.
• Hospitality Sector: Integrated into bar and restaurant ventilation systems to manage indoor air quality, protect staff, and promote responsible drinking.
• Automotive Safety: Utilized in smart car systems to prevent drunk driving incidents by alerting drivers about their alcohol levels.

Enhancing Safety and Responsibility:

Alcohol detection and monitoring are crucial for safeguarding lives and promoting responsible alcohol consumption. The MQ3 Gas Sensor Module empowers individuals and businesses to take proactive measures in mitigating the risks associated with alcohol usage, contributing to a safer and more responsible society.

Note: Proper calibration and maintenance are essential for accurate alcohol vapor detection. Always follow the manufacturer’s guidelines and safety instructions while using the MQ3 Gas Sensor Module.

Specifications :

• Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off)
• Current Consumption: 150mA
• DO output: TTL digital 0 and 1 ( 0.1 and 5V)
• AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V
• Detecting Concentration: 0.05-10mg/L Alcohol
• Interface: 1 TTL compatible input (HSW), 1 TTL compatible output (ALR)

The output voltage from the Gas sensor increases when the concentration of gas increases. Sensitivity can be adjusted by varying the potentiometer. (Please note that the best preheat time for the sensor is above 24 hours.)  For detailed information about the MQ-3 sensor, please refer to the data-sheet provided.

Applications :

Gas level over-limit alarm

Breathalyzer

Portable alcohol detector

Stand-alone/background sensing device

Environmental monitoring equipment

MQ-3 Sensor Datasheet

Keywords: MQ3 Gas Sensor Module, Alcohol Vapor Detection, Ethanol Sensor, Breathalyzer, Industrial Safety, BAC Testing, Responsible Drinking, Analog Output, Digital Output, Microcontroller, Energy-Efficient, Safety Compliance.