SCD40 CO2 Sensor Module

The SCD40 CO2 Sensor Module employs advanced photoacoustic NDIR technology for highly accurate carbon dioxide detection. It integrates temperature and humidity sensing, making it a comprehensive solution for indoor air quality monitoring. Designed for robust performance, the module offers precise measurements, long-term stability, and seamless integration with microcontroller platforms via I2C. With a wide CO2 detection range and low power requirements, it is ideal for IoT, smart home, HVAC, and air quality applications.​

Features:

• Advanced Photoacoustic NDIR technology for real CO2 measurement.​
• Measures CO2, temperature, and humidity in one module.​
• Wide CO2 detection range: 400 ppm – 40,000 ppm (high accuracy 400–2000 ppm).​
• I2C digital interface for easy integration.​
• Low power consumption, suitable for battery-powered devices.​
• Factory calibrated, linear response, and high stability.​
• Compact form factor for space-efficient designs.​

Specifications:

• CO2 Measurement 400–2000 ppm (up to 40,000 ppm)
• CO2 Accuracy ±(50 ppm + 5% of reading)
• Temperature Range -10°C to +60°C
• Temperature Accuracy ±0.8°C
• Humidity Range 0–95%RH
• Humidity Accuracy ±6% RH
• Supply Voltage 2.4–5.5 VDC
• Average Current 15 mA
• Max Current 205 mA
• Interface I2C
• Module Size 10.1 x 10.1 x 6.5 mm

Application:

• Indoor air quality monitoring
• HVAC control systems
• IoT and smart home devices
• Green building automation
• Air quality stations
• Energy-efficient building systems
• Environmental research and scientific projects.​

Package Includes:

• 1 x SCD40 CO2 Sensor Module