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    Picture of NDIR Carbon Dioxide (CO2) Sensor, 0 to 2000ppm/0-6000ppm Picture of NDIR Carbon Dioxide (CO2) Sensor, 0 to 2000ppm/0-6000ppm Picture of NDIR Carbon Dioxide (CO2) Sensor, 0 to 2000ppm/0-6000ppm

    NDIR Carbon Dioxide (CO2) Sensor, 0 to 2000ppm/0-6000ppm

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    SKU: SUCH-CO2-NDIR
    $208.30
    ● NDIR CO2 sensor for HVAC and industrial monitoring ● 0-2000ppm to 0-5%Vol range for flexible CO2 detection ● UART Modbus and DAC output for easy integration ● 1ppm resolution with fast 30s response time
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    🚚 Free shipping
    🕒 Delivery date: 6-12 days
    🔁 30-day Returns
    Overview

    This SUCH NDIR CO2 sensor is a high-precision carbon dioxide sensor for stable gas concentration detection. It measures CO2 from 0-2000ppm to 0-5% Vol with 1ppm resolution, fast T90≤30s response, and UART Modbus or DAC output. Suitable for HVAC systems, indoor air quality monitoring, greenhouse automation, laboratories, and industrial ventilation control.

    Feature

    NDIR co2 sensor feature

    • Utilizing advanced non-dispersive infrared (NDIR) technology, this sensor precisely detects carbon dioxide concentrations, ensuring stable and reliable data to meet industrial and environmental monitoring requirements.
    • SUCH NDIR carbon dioxide sensor supports multi-range options (0–2000ppm to 0–5%Vol), suitable for diverse applications including laboratories, agriculture, and ventilation systems.
    • The CO₂ sensor features a fast response time of up to 30 seconds, providing real-time data updates to enable rapid detection of air quality changes and enhance system intelligent control efficiency.
    • The sensor consumes low power, requiring only DC 3.6–5.0V supply, and its interface supports UART (Modbus) communication, facilitating seamless integration into various industrial control systems.

    Dimension (unit: mm)

    NDIR co2 sensor dimension

    Working Principle

    NDIR co2 sensor working principle

    Pin Definition

    NDIR co2 sensor pin definition

     

    Pin Description
    PIN1 GND
    PIN2 Voltage Input
    PIN3 UART (RXD)
    PIN4 Vout (0.4 ~ 2V)
    PIN5 UART (TXD)
    Specs
    Detected Gas Carbon Dioxide
    Measuring Range 0-2000ppm, 0-6000ppm, 0-1% Vol, 0-3% Vol, 0-5% Vol
    Resolution 1ppm
    Accuracy ± (50 ppm+3% of reading)
    Detection Principle Non-dispersive Infrared Absorption (NDIR)
    Response Time T90 ≤ 30s
    Operating Voltage DC 3.6V~5.0V
    Operating Current ≤ 85mA (@5V supply)
    Preheating Time 1 min
    Detection Frequency Data updated once per second (default)
    Output Mode Default: UART (Modbus)
    Reserved: DAC (0.4V ~ 2V)
    Service Life 10 years (in air)
    Operating Temperature -20°C~60°C
    Operating Humidity 0~95% RH (non-condensing)
    Storage Temperature -30°C~60°C
    Application
    NDIR co2 sensor of electrical distribution room

    Electrical Distribution Room

    NDIR co2 sensor of industrial plant

    Industrial Plant

    NDIR co2 sensor of scientific laboratory equipment

    Scientific Laboratory Equipment

    FAQ
    ❯

    An NDIR (Non-Dispersive Infrared) CO₂ sensor is a gas detection device that measures carbon dioxide concentration based on infrared light absorption principles. CO₂ molecules absorb infrared radiation at specific wavelengths, and the sensor precisely determines gas concentration by analyzing the absorbed light intensity.

    ❯

    This CO₂ sensor consists of an infrared light source, optical filters, and a detector. As air flows through the detection chamber, CO₂ absorbs a portion of the infrared light. The detector measures the remaining light intensity, calculating the CO₂ concentration based on the difference in light intensity.

    ❯

    Ensure the airflow is clean and dust-free, and perform regular zero-point calibration. Maintaining the sensor in a temperature-controlled environment preserves measurement accuracy and extends its service life.

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