SCD30 is a CO₂, temperature and humidity measurement module from Sensirion based on the NDIR (infrared) principle. Its dual-channel detection provides long-term stability. It connects easily to different systems through I²C, Modbus (UART) and PWM interfaces and makes true CO₂ measurements with high accuracy in the 400–10,000 ppm range.
Key features
- True CO₂ measurement with NDIR
- ±(30 ppm + 3% of reading) accuracy in the 400–10,000 ppm range
- Integrated humidity and temperature measurement
- Long-term stability with dual-channel detection
- I²C, Modbus and PWM interfaces
Technical specifications
| Measurement | CO₂ (NDIR), temperature and humidity |
|---|---|
| Specified CO₂ measurement range | 400–10,000 ppm |
| CO₂ accuracy | ±(30 ppm + 3% of reading) |
| CO₂ response time (τ63%) | 20 s |
| Temperature accuracy (typical) | ±0.4 °C |
| Supply voltage | 3.3–5.5 V |
| Average current | 19 mA |
| Operating temperature | 0 … +50 °C |
| Interface | I²C, Modbus, PWM |
| Dimensions | 35 × 23 × 7 mm |
Applications
- HVAC and demand-controlled ventilation
- Indoor air quality monitors
- School, office and hospital environment monitoring
- Greenhouse and smart building applications
For detailed technical information: Manufacturer datasheet and documents
Fark Tedarik supplies the SCD30 with an invoice in your company’s name. For bulk or project quantities, please request a quote.





