SCD30 Sensirion CO2 Sensor

The highly accurate SCD30 CO2 sensor features IR detection, enabling highly accurate carbon dioxide measurements. The sensor measures CO2 levels over a large measuring range from 400ppm to 10000ppm with an accuracy of ±30ppm+3%. Together with the NDIR measurement technology for CO2 measurement, an accurate Sensirion humidity and temperature sensor is used on the same sensor module. Therefore, the ambient humidity and temperature can also be read out with the Arduino. The sensor is also perfect for building a CO2 traffic light by yourself.

Info: The SCD30 has an automatic self-calibration routine. Sensirion recommends seven days of continuous measurements with at least one hour of "fresh air" per day, so that the self-calibration can be completed.


Features CO2 Sensor SCD30:

  • NDIR-CO2-sensor technology
  • Integrated temperature and humidity sensor
  • Best value for money
  • Dual channel detection for superior stability
  • Small form factor of only 35 x 23 x 7mm
  • High measuring range from 400 ppm – 40’000ppm
  • High accuracy of ±30ppm
  • Fully calibrated and linearized by the manufacturer
  • Digital interface UART or I2C

Documentation and Links:


Technical Details:

  • Manufacturer: Sensirion
  • Sensor Type: SCD30
  • Operating Voltage: 3.3V – 5.5V
  • Interface: UART or I2C
  • I2C Address: 0x61
  • CO2 Sensor Specifications:
    • Measuring Range: 0 – 40'000ppm
    • Accuracy: +-30ppm (25°C, 400 – 10'000 ppm)
    • Temperature Resistance: 2.5ppm / °C (0-50°C)
  • Specifications for Humidity Sensors:
    • Measuring Range of Relative Humidity: 0 to 100 %RH
    • Accuracy: +-3%RH (0 to 100% RH)
    • Repeatability 0.1%RH
  • Specifications for Temperature Sensors
    • Temperature Measuring Range: -40°C to 70°C
    • Type Accuracy: +-0.4°C
    • Repeatability: 0.1°C
  • Dimensions: 35 x 23 x 7 mm
  • Weight: 3.4g

Scope of Delivery:

  • 1x CO2 Sensor SCD30 Sensirion


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SCD30 Sensirion CO2 Sensor

  • Brand: Sensirion
  • Product Code: 421410
  • Availability: Out Of Stock
  • CHF49.90

  • Ex Tax: CHF46.16

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Tags: SCD30, CO2, Traffic light, Covid, Covid19, Sensirion, Display, ESP8266, SARS-CoV-2, Aerosols, Carbon Dioxide, Sensor, measure, Temperature, Humidity, 3.3V, 5V, I2c, Uart.