Sensirion SEN55-SDN-T Environmental Sensor PM2.5, CO2, VOC, Temp, RH - I2C Interface
The Sensirion SEN55-SDN-T is a fully integrated environmental sensor module providing simultaneous digital measurements of particulate matter (PM1.0 to PM10), volatile organic compounds (VOC), COâ‚‚ equivalent, temperature, and relative humidity via a single I2C interface. It is designed for seamless integration into 5V or 3.3V systems including Arduino, Raspberry Pi, ESP32, and industrial air quality monitoring platforms.
Features
- All-in-one sensing of PM1.0, PM2.5, PM4, PM10, VOC, COâ‚‚ (algorithmic), temperature, and relative humidity.
- Fast 1-second sampling rate with a startup time as low as 8 seconds, depending on Particle concentration.
- Low acoustic noise emission of 24 dB(A) at 0.2 meters for quiet operation in sensitive environments.
- Robust digital I2C interface with 3.3V logic compatibility, powered from a 4.5V to 5.5V DC supply.
- Designed for long-term reliability with a projected operational lifespan exceeding 10 years under continuous use.
Out of stock
The SEN55-SDN-T integrates Sensirion’s proven laser scattering technology for particulate matter detection with advanced metal-oxide (MOX) VOC sensing and calibrated SHT40-based temperature and humidity measurement. The COâ‚‚ equivalent value is calculated via a proprietary algorithm using the measured VOC and humidity data. This multi-parameter approach provides a comprehensive environmental profile from a single, compact device.
Engineered for industrial-grade durability, the module features robust EMC and ESD protection compliant with IEC standards, ensuring stable operation in electrically noisy environments. Its fast response and high accuracy, calibrated against reference instruments like the TSI DustTrakâ„¢, make it suitable for demanding air quality monitoring and control applications where data integrity is critical.
Additional Information
| Weight | 0.038 kg |
|---|---|
| Dimensions | 5.3 × 4.3 cm |













