In today's world, where public safety and occupational health are increasingly prioritized, alcohol testing has become an essential component in areas such as traffic safety, high-altitude operations, and environmental monitoring. Achieving rapid, accurate, and reliable alcohol concentration detection is a core concern for both equipment manufacturers and users. Today, we recommend a high-performance, stable, and reliable core component for alcohol detection—MQ-E2-C2H5OH-φ16 fuel cell-type electrochemical alcohol sensor.

MQ-E2-C2H5OH Electrochemical Alcohol Sensor    

Product Highlights: High Precision, Fast Response, Strong Anti-interference 

    MQ-E2-C2H5OH-φ16 adopts advanced fuel cell electrochemical principles. Alcohol and oxygen undergo redox reactions at the working electrode and counter electrode, generating a current signal proportional to the alcohol concentration, achieving accurate detection based on Faraday's law. This sensor boasts the following significant advantages:

    High sensitivity: (6±2) μA/(mg/L), rapid response (T90 ≤ 20 seconds)

    Wide linear range: 0～1.0 mg/L, maximum measurement limit up to 2.0 mg/L

    Excellent stability: monthly stability <2%, good repeatability

    Strong environmental adaptability: operating temperature -20℃～50℃, humidity 15%～90%RH

    Long lifespan: up to 2 years in air

Wide range of applications, ubiquitous safety protection

    This sensor has been widely used in:

    Traffic enforcement and pre-driving detection

    Pre-work alcohol screening for high-altitude workers

    Environmental monitoring and industrial safety

    Maintaining alcohol-free environments in public places

Intelligent design for easy integration

    The sensor supports pump-driven quantitative air intake and can be used with electromagnetic pump systems for accurate sampling. It is recommended to use a 10Ω load resistor and follow the installation and aging requirements in the instruction manual (aging time ≥48 hours) to ensure optimal performance.

    MQ-E2-C2H5OH-φ16 alcohol sensor, with its high accuracy, fast response, and strong anti-interference capabilities, has become an ideal choice for safety devices such as alcohol detectors. Whether used in vehicle-mounted alcohol locks, handheld detectors, or fixed monitoring systems, it provides stable and reliable data support, building an intelligent defense line for life safety and occupational health.

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