SCD30 Sensirion CO2 Sensor

The Sensirion SCD30 measures CO2 using the NDIR infrared principle and achieves an accuracy of ±30 ppm + 3 % in the range of 400 to 10,000 ppm. A Sensirion humidity and temperature sensor sits on the same module, so ambient humidity and temperature can also be read, for example with an Arduino. The sensor is suitable for building your own CO2 traffic light.

Info: The SCD30 has an automatic self-calibration. For this, Sensirion recommends seven days of continuous measurement with at least one hour of fresh air per day.

Recommended alternative as a ready-made device: CO2 traffic light with smileys and bar display

Recommended Accessories:

• Pin header male 1 X 40 pole RM 2.54mm straight short pin
• Dupont Cable F-F 10cm 20 pieces

Features:

• CO2 measurement with infrared measuring principle (NDIR)
• Temperature and humidity sensor on the module
• Dual-channel detection for better long-term stability
• Factory calibrated and linearised
• UART or I2C interface
• Solder points for a pin header, header not included

Application Examples:

• Your own CO2 traffic light for office and classroom
• Monitoring room climate and controlling ventilation
• Greenhouse and plant cultivation

Documentation:

• Sensirion manufacturer page
• Arduino library (SparkFun, GitHub)
• Datasheet (PDF)

Technical Data:

• Manufacturer: Sensirion
• Type: SCD30
• Operating voltage: 3.3 V to 5.5 V
• Interface: UART or I2C, address 0x61
• CO2 measuring range: 0 to 40,000 ppm
• CO2 accuracy: ±30 ppm + 3 % (25 °C, 400 to 10,000 ppm)
• CO2 temperature stability: 2.5 ppm/°C (0 °C to 50 °C)
• Humidity: 0 to 100 %RH, accuracy ±3 %RH, repeatability 0.1 %RH
• Temperature: -40 °C to 70 °C, accuracy ±0.4 °C, repeatability 0.1 °C
• Dimensions: 35 × 23 × 7 mm
• Weight: 3.4 g

Scope of Delivery:

• 1× SCD30 Sensirion CO2 Sensor