Description
Low price alcohol gas sensor for sale online. Good sensitivity, detection range 25ppm to 500ppm, long life, low cost, simple driving circuit and low cost, suitable for various applications of detecting different concentrations of alcohol.
Specifications
| Model | ATO-MQ-3B | ||
| Product Type | Semiconductor Gas Sensor | ||
| Standard Package | Plastic Seal | ||
| Detect Gas | Alcohol Vapor | ||
| Detection Concentration | 25~500ppm Alcohol | ||
| Standard Circuit Conditions | Loop Voltage | VC | ≤24V DC |
| Heating Voltage | VH | 5.0V±0.1V AC or DC | |
| Load Resistance | RL | Adjustable | |
| Gas Sensor Characteristics Under Standard Test Conditions | Heating Resistor | RH | 290±30Ω (Room Temperature) |
| Heating Power Consumption | PH | ≤900mW | |
| Sensitivity | S | R0(in air)/RS (in 125ppm Alcohol)≥5 | |
| The Output Voltage | VS | 2.5V~4. 0V (in 125ppm Alcohol) | |
| Concentration Slope | α | ≤0. 6 (R300ppm/R500ppm Alcohol) | |
| Standard Test Conditions | Temperature, Humidity | 20℃±2℃; 55%±5%RH | |
| Standard Test Circuit | VC:5.0V±0.1V; VH:5.0V±0.1V | ||
| Preheat Time | Not Less Than 48h | ||
| Oxygen Concentration | 21% (Not less than 18%. Oxygen concentration will affect the initial value, sensitivity and repeatability of the sensor. Please consult when using it under low oxygen concentration.) | ||
| Life | 10 Years |
Structural Diagram
Circuit Diagram
Tips: What is an alcohol gas sensor?
An alcohol gas sensor is a type of gas sensor specifically designed to detect the presence of alcohol vapors in the air. These sensors are commonly used in applications where monitoring alcohol levels is important, such as in breathalyzer devices, industrial processes, and safety systems. The primary purpose of an alcohol gas sensor is to provide a quick and reliable indication of alcohol concentration, helping to ensure safety and compliance in various settings.
Alcohol sensors typically operate based on the principle of chemical or electrochemical reactions that occur when alcohol molecules interact with the sensor’s surface. The sensor’s response is then converted into an electrical signal, which can be measured and interpreted to determine the alcohol concentration in the surrounding environment. The sensitivity and selectivity of alcohol sensors make them valuable tools in preventing alcohol-related accidents, ensuring workplace safety, and supporting law enforcement efforts to monitor alcohol levels in individuals.
These sensors are commonly used in conjunction with microcontrollers or other electronic systems to enable real-time monitoring and data recording. The compact size, low power consumption, and rapid response of alcohol gas sensors make them suitable for integration into a variety of devices and applications where accurate detection of alcohol vapor is essential.
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