Reference: RBD-2835
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The SCD41 is a high-precision carbon dioxide (CO₂) sensor module based on NDIR infrared technology. It provides accurate CO₂ concentration measurement along with integrated temperature and humidity sensing. This module is designed for environmental monitoring in smart buildings, agriculture, and industrial applications and supports easy integration via I2C.
The SCD41 is a high-precision carbon dioxide (CO₂) sensor module based on NDIR infrared technology. It provides accurate CO₂ concentration measurement along with integrated temperature and humidity sensing. This module is designed for environmental monitoring in smart buildings, agriculture, and industrial applications and supports easy integration via I2C.
NDIR-based CO₂ measurement technology
CO₂, temperature, and humidity sensing in one module
Wide CO₂ measurement range up to 40000 ppm
High long-term stability and accuracy
Low power consumption operation
I2C communication interface
STEMMA QT / Qwiic connector available and compatible
Sensor Model: SCD41
Measurement Parameters:
Carbon Dioxide (CO₂)
Temperature
Relative Humidity
CO₂ Measurement Range: 0 to 40000 ppm
CO₂ Accuracy: ±(40 ppm + 5 percent of reading)
Temperature Range: -40°C to +85°C
Humidity Range: 0 to 100 percent RH
Communication Interface:
I2C (default address 0x62)
UART (configuration required)
Power Supply Voltage: 3.3V to 5V DC
Operating Current: Approximately 18 mA (typical)
Protection Level: IP65 (dustproof and splash-resistant)
Logic Level Compatibility: 3.3V or 5V
Country of Origin: Made in China
Smart agriculture and greenhouse CO₂ monitoring
Industrial safety and CO₂ leak detection
Building automation and HVAC control
Indoor air quality monitoring
Laboratories and healthcare facilities
Embedded and IoT environmental sensing systems
1 x SCD41 CO₂, temperature, and humidity sensor module
1 x 4-pin single-row pin header
Ensure correct power supply voltage before use
Requires an I2C- or UART-compatible controller
Proper airflow around the sensor is recommended for accurate readings
QT cable not included
The SCD41 sensor module provides accurate and stable CO₂, temperature, and humidity measurements in a compact form factor. With STEMMA QT / Qwiic compatibility and a wide operating range, it is well suited for professional and industrial-grade environmental monitoring applications.
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The SCD41 is a high-precision carbon dioxide (CO₂) sensor module based on NDIR infrared technology. It provides accurate CO₂ concentration measurement along with integrated temperature and humidity sensing. This module is designed for environmental monitoring in smart buildings, agriculture, and industrial applications and supports easy integration via I2C.
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