Sensirion SCD4x Series CO2 Gas Detection Sensor - CMOSens PAsens Technology, 0-40000 ppm, I2C Interface
The Sensirion SCD4x is a miniature, surface-mount CO2 gas detection sensor based on photoacoustic (PAsens) and CMOSens technology, offering a wide 0-40000 ppm measurement range with integrated temperature and humidity compensation via an on-chip SHT4x sensor. It features a digital I2C interface and operates from 3.3V to 5V, making it compatible with microcontrollers like Arduino, Raspberry Pi, ESP32, and industrial IoT systems.
Features
- Photoacoustic Sensing (PAsens) with CMOSens technology for high accuracy and stability.
- Extensive CO2 measurement range from 0 ppm up to 40,000 ppm.
- Integrated SHT4x sensor for on-chip temperature and humidity compensation.
- Compact SMD form factor (10.1 x 10.1 x 6.5 mm) suitable for reflow soldering.
- Digital I2C interface for easy integration with microcontrollers and single-board computers.
Out of stock
The SCD4x series represents Sensirion’s next-generation miniature CO2 sensor, leveraging the photoacoustic sensing principle and patented PAsens® and CMOSens® technologies. This approach enables high-accuracy carbon dioxide detection within an exceptionally small footprint, designed for cost-effective and space-efficient SMD assembly. The sensor includes a built-in SHT4x humidity and temperature sensor for precise on-chip signal compensation, ensuring reliable performance across varying environmental conditions.
Operating from a wide 2.4V to 5.5V supply range with a peak current draw of 175 mA, the SCD4x is engineered for integration into smart ventilation systems, indoor air quality monitors, and connected IoT devices. Its digital I2C output provides a clean, noise-immune signal path, facilitating direct connection to microcontrollers, data loggers, and building automation systems without requiring external signal conditioning.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 1.01 × 1 × 0.65 cm |
