Infrared Carbon Dioxide 0~5000ppm NDIR CO2 Sensor


  • Product Code: FS00302
  • Availability: In Stock
  • Ex Tax: $7.65

FS00301 and FS00302 are carbon dioxide gas sensors that utilize the non-dispersive infrared (NDIR) principle for detecting CO2 in the air. These sensors offer good selectivity, independence from oxygen content, and a wide measurement range, making them highly effective for CO2 detection applications.



Detected Gas
Detected Range
400~5000PPM (Expandable)
Operating Voltage
DC 4.5~5V
Interface level
Detected Accuracy
400~500PPM: MAX Error≤±(50PPM+3% Reading)
400~10000PPM: MAX Error≤±10% Reading
Output Method
Default: UART (3.3V_TTL level)
Reserved: DAC(0.4~2V)
Operating Temperature
0~ 50℃
Operating Humidity
15~95%RH (No Condensation)
Life Spam
10 Years



Gold-plated air chamber: The sensors feature a gold-plated air chamber, providing resistance to water and corrosion, enhancing their durability and longevity.

Resistant to water vapor interference: FS00301 and FS00302 sensors are designed to be resistant to interference from water vapor, ensuring accurate CO2 measurements even in environments with high humidity levels.

Non-toxic: These sensors are non-toxic and safe for use in various applications.

High sensitivity and strong anti-interference ability: They exhibit high sensitivity to CO2 and possess robust anti-interference capabilities, allowing for accurate and reliable measurements in complex environments.

Full range of temperature compensation and excellent linear output: The sensors feature temperature compensation across the entire range, ensuring accurate readings in varying thermal conditions. They also provide excellent linear output for precise CO2 detection.

Long service life and low power consumption: FS00301 and FS00302 sensors offer a long operational lifespan and consume minimal power, making them energy-efficient and cost-effective for extended use.

With their gold-plated air chambers, resistance to water vapor interference, high sensitivity, and other notable features, FS00301 and FS00302 infrared CO2 sensors provide reliable and accurate detection of carbon dioxide levels in the air.

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