Alcohol Sensor, Gas Sensor
Alcohol Sensor, Gas Sensor
Overview
High sensitivity for accurate ethanol and alcohol vapor detection
Wide detection range up to 10,000 ppm
Fast response and recovery time for real-time measurement
Factory calibrated for consistent and reliable results
Low power consumption suitable for portable or IoT devices
Digital output (UART/I²C) for easy system integration
Stable long-term performance with minimal signal drift
Compact design ideal for breath analyzers and embedded systems
Temperature-compensated for accurate readings in various environments
RoHS and CE compliant, ready for global applications
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Alcohol Sensor – High-Accuracy Ethanol Gas Detection for Breath Analyzer, Industrial Safety & IoT Monitoring
What is Alcohol Sensor
The Alcohol Sensor is a highly sensitive digital gas sensor designed to detect ethanol vapor concentrations quickly and accurately in the surrounding air. Using advanced semiconductor sensing technology and integrated signal processing, it provides precise alcohol-level readings for real-time monitoring applications.
Unlike traditional analog sensors, this digital alcohol sensor offers direct output compatibility with IoT modules, microcontrollers, and smart systems—making it ideal for both personal breath analyzers and industrial gas detection setups.
With factory calibration, reliable long-term stability, and energy-efficient operation, the sensor ensures consistent and trustworthy performance for developers, manufacturers, and system integrators seeking high-quality alcohol detection solutions.
Advantages of Alcohol Sensor
High sensitivity to ethanol and alcohol vapors
Wide detection range suitable for indoor or industrial use
Fast response and recovery time for real-time measurement
Digital output interface (UART / I²C) for easy system integration
Factory calibrated for accurate and consistent results
Low power consumption ideal for portable devices or IoT setups
Compact and durable design for flexible installations
Long service life with minimal signal drift over time
Excellent temperature compensation and environmental stability
RoHS compliant and ready for global industrial and commercial use
Alcohol Sensor Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Digital Ethanol (Alcohol) Gas Sensor |
| Target Gas | Ethanol, Methanol, Alcohol Vapors |
| Measurement Range | 0–10,000 ppm (typical) |
| Sensitivity | < 1% FS drift per year |
| Accuracy | ±3% of reading (typical) |
| Response Time (T90) | ≤ 2 seconds |
| Output Type | Digital (UART / I²C / PWM) |
| Operating Voltage | 3.3V – 5V DC |
| Current Consumption | ≤ 3 mA (active mode) |
| Operating Temperature | –20°C to +60°C |
| Operating Humidity | 15–95% RH (non-condensing) |
| Calibration | Factory calibrated |
| Stability | < 0.5% FS/year (typical) |
| Package Options | Bare sensor or PCB module |
| Compliance | RoHS, CE certified |
Typical Applications of Alcohol Sensor
Smart Home & IoT Devices
Personal breath analyzers and smart breath testers
Gas detection units for home safety monitoring
Environmental air quality sensors with alcohol detection
Industrial & Laboratory Monitoring
Chemical and solvent vapor detection in workshops
Industrial safety and ventilation control systems
Alcohol concentration monitoring in production lines
Automotive & Safety Systems
Smart vehicle ignition interlock breath sensors
In-car driver alcohol monitoring systems
Fleet vehicle safety devices
Research & DIY Projects
Arduino and ESP32/ESP8266 alcohol detection projects
Portable breath analyzer prototypes
IoT-based workplace safety monitoring
FAQ
- How accurate is the sensor?
Accuracy depends on calibration and environment. High-quality sensors can detect alcohol levels as low as 0.01 mg/L, providing reliable readings for safety and compliance. Can it detect alcohol in crowded or smoky environments?
Yes, but external factors like smoke, strong odors, or humidity can slightly affect readings. Regular calibration helps maintain precision.What are the common applications?
Alcohol sensors are widely used in personal breathalyzers, automotive ignition interlocks, industrial safety systems, and smart IoT devices for monitoring alcohol vapors.How quickly does it respond to alcohol?
Most sensors provide readings within 5–15 seconds, allowing near real-time monitoring and quick alerts in critical applications.Does the sensor require maintenance?
Periodic calibration and cleaning are recommended to maintain long-term accuracy. Some sensors have a lifespan of 2–5 years depending on usage.Can it be integrated with smartphones or IoT systems?
Yes. Many modern alcohol sensors support digital or analog outputs compatible with microcontrollers, Bluetooth, or IoT platforms for smart monitoring solutions.Is it safe to use indoors?
Yes, alcohol sensors are non-invasive and safe for indoor use, but avoid exposure to flammable liquids or extreme environments that may damage the sensor.
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Strict Production Process
Engineers develop optimized electronic circuits and structural designs based on real application needs.
High-quality components and materials are carefully selected from trusted suppliers to ensure long-term reliability.
Automated SMT and precision soldering technologies are used to build stable and high-performance circuit boards.
Sensor elements or connector terminals are assembled with the PCB and housing to ensure accurate operation and strong mechanical stability.
Each product undergoes strict calibration and functional testing to guarantee accuracy and stable performance.
Every unit is carefully inspected, labeled, and securely packaged to ensure it arrives safely and performs reliably for your applications.
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