Description
The Adafruit SCD-43 is a photoacoustic 'true' CO2 sensor that provides accurate CO2 PPM (parts-per-million) readings of ambient air. It is designed to meet stringent indoor air quality standards, making it ideal for environmental sensing, scientific experiments, and air quality studies.

Key Features
- Photoacoustic CO2 sensor technology
- Integrated temperature and humidity sensor
- Measurement range: 400 ppm – 5000 ppm
- Accuracy: ±(30 ppm + 3% of reading)
- I2C digital interface
- STEMMA QT / Qwiic compatible
Technical Specifications
| Measurement Range | 400 ppm – 5000 ppm |
| Accuracy | ±(30 ppm + 3% of reading) |
| Response Time | 60s |
| Current Consumption | 17 mA (meas. rate = 5 s) / 0.5 mA (meas. rate = 5 min) |
| I2C Address | 0x62 |
| Sensor Element Size | 10.1mm x 10.1mm x 6.5 mm |
| Product Dimensions | 25.5mm x 22.8mm x 8.0mm |
| Product Weight | 2.7g |

Applications
Ideal for environmental sensing, scientific experiments, air quality and ventilation studies.