DFRobot Gravity UART Infrared CO2 Sensor (0-50000ppm)


DFRobot released its latest wide-range Arduino infrared CO2 sensor, which effective range is up to 0~50000ppm. This sensor is based on non-dispersive infrared NDIR technology and has good selectivity and oxygen-free dependency. It integrates temperature compensation and supports UART communication mode.

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This UART Infrared CO2 Sensor is a high-performance sensor that combines the technology of mature infrared absorption gas detection with precision optical circuit design as well as sophisticated circuit design. It has characteristics such as wide range detection, high sensitivity, high resolution, low power consumption, fast response, anti-water vapor interference, no poisoning, high stability and long life.
High sensitivity High resolution
Low power consumption
Excellent stability
Temperature compensation
Excellent linear output
High cycle life
Anti-water vapor interference
No poisoning
Need 5V power supply, even you are using a 3.3V microcontroller, like Genuine 101/ Raspberry Pi .etc.

Gas Detection Carbon Dioxide (CO2)
Operating Voltage 4.5 ~ 5.5V DC
Average Current <85mA
Output UART
Measuring Range 0 ~ 50000ppm
Accuracy ± (50ppm + 5% reading)
Preheating Time 3min
Response Time T90 < 30s
Operating Temperature 0 ~ 50 ℃
Operating Humidity 0 ~ 95% RH (no condensation)
Service Life >5 years


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