Sensirion STC31-R3 Gas Concentration Sensor 0-100% CO2, I2C Output
The Sensirion STC31-R3 is a high-accuracy digital gas concentration sensor designed for binary gas mixtures, specifically measuring 0–100% CO₂ in air or nitrogen. It features a direct I²C digital interface for seamless integration with microcontrollers like Arduino, Raspberry Pi, ESP32, and industrial PLCs, providing compensated, high-resolution readings.
Features
- Measures 0–100% CO₂ concentration in air or nitrogen with high accuracy (±1 vol% + 3% of reading).
- Integrated digital I²C interface with CRC protection and configurable address for reliable communication.
- Built-in high-precision temperature sensor for automatic compensation, operating from -20°C to +85°C.
- Features configurable self-calibration modes and a low-power sleep mode for energy-efficient designs.
- Provides 16-bit digital resolution for both gas concentration and temperature data output.
Out of stock
The Sensirion STC31-R3 employs a sophisticated thermal conductivity sensing principle to determine the concentration of a target gas within a binary mixture. Its MEMS-based sensor element and integrated signal conditioning deliver a fully digital, temperature-compensated output via the I²C bus, ensuring robust performance in varying environmental conditions.
Engineered for stability and long-term reliability, the sensor includes advanced features such as forced and automatic self-calibration routines. The CRC-enabled I²C Fast-mode Plus communication protocol guarantees data integrity, making it suitable for integration into demanding monitoring and control systems.
Additional Information
| Weight | 0.025 kg |
|---|---|
| Dimensions | 8.2 × 3.44 cm |
