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    Chlorine Dioxide (ClO2) Gas Sensor, 0-50ppm, RS485/TTL

    SKU: SUCH-GAS-CLO2
    $148.53
    ● Detect: Chlorine Dioxide (ClO2) ● Rang: 0-50ppm ● Module output: TTL/RS485 ● Resolution: 1ppm
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    🚚 Free shipping
    🕒 Delivery date: 6-12 days
    🔁 30-day Returns
    Overview

    This professional chlorine dioxide gas sensor employs internationally recognized electrochemical detection technology. With a wide detection range of 0-50ppm, a resolution as high as 1ppm, and a response time under 60 seconds, it rapidly captures changes in gas concentration. Supporting RS485 and TTL communication, it is widely used in environmental monitoring, disinfection facilities, and industrial production safety detection.

    Feature

    • High-Sensitivity Electrochemical Detection: Utilizing a three-electrode electrochemical principle, it accurately identifies ClO₂ concentrations to safeguard air quality in real time.
    • Rapid Response for Enhanced Reliability: Response time under 60 seconds swiftly detects gas changes, ensuring immediate and effective monitoring.
    • Wide Temperature and Humidity Adaptability: Supports gas sensor diverse environments from -30°C to 50°C and 15% to 90% RH, effortlessly handling complex conditions.
    • Stable, Durable, and Long-Lasting: 2-year operational lifespan with signal drift below 2% per month, delivering enduring performance.

    Dimension (unit: mm)

    CLO2 gas sensor dimension

    Electrochemical Principle

    Electrochemical principle of clo2 gas sensor


    Cross Interference

    Interference Gas Gas Concentration Used (ppm) Displayed Value (ppm ClO₂)
    CO 75 210
    H₂S 20 0
    SO₂ 20 0
    NO₂ 20 0
    Cl₂ 20 2
    NH₃ 20 1
    NO 30 9
    CH₄ 5000 -2


    Response Recovery Curve

    CLO2 gas sensor response recovery curve

    Baseline Temperature Dependency Curve

    CLO2 gas sensor baseline temperature dependence curve

    Specs
    Detection Principle Electrochemical three-electrode
    Detected Gas Chlorine Dioxide (ClO2)
    Detection Range 0-50ppm
    Maximum Load Concentration 100ppm
    Sensitivity -600 ±200 nA/ppm
    Zero Drift <0.3 ppm
    Resolution 1ppm
    Response Time <60s
    Bias Voltage 0 mV
    Communication Interface RS485, TTL (optional)
    Load Resistance 5~30Ω
    Operating Pressure 90 to 110 kPa
    Temperature Range -30°C to 50°C
    Humidity Range 15%RH to 90%RH (Non-condensing)
    Repeatability 2% output signal
    Long-term Stability < 2% signal/month
    Linearity Linear
    Service Life 2 years
    Application
    Industrial clo2 gas detection

    Industrial ClO2 Gas Detection

    Medical clo2 detection

    Pharmaceutical ClO2 Detection

    Petroleum clo2 detection

    Petroleum ClO2 Detection

    FAQ

    Chlorine dioxide (ClO₂) is a highly oxidizing gas widely used in drinking water disinfection, food processing, and pulp and paper industries. However, it is irritating and corrosive, and exposure above safe levels can harm the respiratory tract and eyes. Chlorine dioxide gas sensors continuously monitor ClO₂ concentrations in the air, triggering alarms when levels exceed safety thresholds to protect personnel health and ensure production environment safety.

    Chlorine dioxide sensors are widely deployed in water treatment plants, swimming pool disinfection systems, paper mills, food processing facilities, laboratories, and gas cylinder storage rooms or pipeline areas. In these settings, ClO₂ is commonly used as a disinfectant or bleaching agent.

    To ensure detection accuracy and service life, users are advised to perform regular calibration with calibration gas, typically every 6-12 months. During routine use, avoid prolonged exposure to high ClO₂ concentrations to prevent premature failure. Keep the gas sensor probe clean, prevent dust and moisture ingress, and operate within the temperature and humidity conditions specified in the manual.

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