Air Quality Solid-state Electrolyte CO2 Sensor


  • Product Code: FS00306
  • Availability: In Stock
  • Ex Tax: $9.60

FS00303 and FS0306 are sensors designed for monitoring the concentration of carbon dioxide (CO2). These sensors utilize the solid-state electrolyte principle, effectively addressing the issue of interference from water vapor encountered with infrared CO2 sensors. They offer high stability and strong environmental adaptability, making them ideal for use in specialized environments such as agricultural greenhouses, breeding ponds, tunnels, and mines.



Detected Gas
Detected Range
Operating Voltage
DC 4.5~5.5V
Detected Accuracy 
≤±10% Reading
Output Method
Default: UART (3.3V_TTL level)
Optional: IIC(3.3V_TTL level)
Warm-up Time
Operating Current
<100mA(@5V Power Supply)
Operating Temperature
Operating Humidity
15~95%RH (No Condensation)
Storage Temperature
Product Weight
Life Spam
10 Years


10 years of service life: The sensors have a long operational lifespan, ensuring prolonged usage and reliability.

Long-term data stability without drift: They provide stable and accurate measurements over time, without experiencing data drift.

Resistant to water vapor interference: The solid-state electrolyte principle minimizes the impact of water vapor, allowing for accurate CO2 measurements even in the presence of moisture.

Strong environmental tolerance: These sensors exhibit robustness and adaptability to challenging environmental conditions, ensuring consistent and accurate CO2 monitoring.

Suitable for special environments: FS00303 and FS0306 sensors are well-suited for use in agricultural greenhouses, breeding ponds, tunnel systems, mining operations, and other specialized environments that require precise CO2 monitoring.

With their long service life, stable performance, and resistance to water vapor interference, FS00303 and FS0306 sensors provide reliable and accurate CO2 monitoring in demanding settings.

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