The Grove - SCD41 is a compact yet powerful 3-in-1 environmental sensor capable of measuring CO2 concentration, humidity, and temperature. Powered by the advanced Sensirion SCD41 chip and utilizing Photoacoustic NDIR sensing technology (PASens®), it delivers high accuracy and a wide measurement range. Its miniature size, broad voltage compatibility, high robustness, and adjustable low power consumption make it ideal for integration into a variety of applications, including smart ventilation systems, indoor air quality monitors, and environmental monitoring projects.
Key Features
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Photoacoustic NDIR Sensing Technology (PASens®): Real-time CO2 detection with high accuracy of ±(40 ppm + 5%) and a measurement range from 400 to 5,000 ppm.
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3-in-1 Environmental Monitoring: Integrated humidity and temperature sensors with advanced compensation algorithms for reliable and accurate RH and T readings.
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Ultra-Compact Size: Tiny form factor of just 10.1 × 10.1 × 6.5 mm³ for space-efficient designs.
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Flexible and Robust: Supports a wide supply voltage (2.4V–5.5V), robust against external stress, and adjustable power consumption down to <0.4 mA average.
Why Monitor CO₂?
CO₂ concentration is a key indicator of indoor air quality, directly impacting human cognition, comfort, and well-being. The Grove - CO₂, Temperature & Humidity Sensor (SCD41) enables smart systems to regulate ventilation efficiently, maintaining low CO₂ levels and providing a healthier, more productive environment.
Application Scenarios
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Air Purifiers
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Environmental Monitoring Systems
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Smart Ventilation Systems
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Indoor Plant Growth Monitoring
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Arduino Weather Stations
Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 3.3V / 5V |
| Operating Range | -10℃ ~ +60℃; 0–100% RH; 400–5,000 ppm |
| Interface | I2C |
| I2C Address | 0x62 |
Comparison: SCD30 vs. SC
| Module | Accuracy | CO₂ Range | Low Power Mode | Size |
|---|---|---|---|---|
| SCD30 | ±30 ppm +3% | 400–10,000 ppm | No | 35 × 23 × 14 mm |
| SCD41 | ±40 ppm +5% | 400–5,000 ppm | Yes | 10.1 × 10.1 × 6.5 mm |
About PASens® Technology
PASens® is based on the photoacoustic sensing principle, allowing extreme miniaturization without compromising performance. Unlike traditional NDIR sensors, PASens® sensitivity is independent of optical cavity size, resulting in compact, cost-effective, and highly accurate CO₂ sensors.
Part List
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Grove - CO₂, Temperature & Humidity Sensor (SCD41) × 1