SCD40 CO2 Sensor
Sensirion's SCD40 CO2 sensor for indoor air quality applications
Sensirion has profound expertise in miniaturizing sensors, which has enabled a breakthrough step in CO2 sensing. With dimensions of just 10.1 mm x 10.1 mm x 6.5 mm, the SCD40 footprint has been miniaturized by a factor of 5 compared to its predecessor, the SCD30. Using the photoacoustic sensing principle, the dimensions of the optical cavity are drastically reduced without compromising sensor performance. Moreover, the SCD40 CO2 and RH/T sensor leverages Sensirion’s outstanding environmental sensing expertise by incorporating a high quality humidity and temperature sensor that delivers two additional sensor outputs. Because of its unmatched size and its unprecedented price-to-performance ratio, the SCD40 is the sensor of choice for today’s and future CO2 sensing markets such as IoT, automotive, HVAC, appliances, and consumer goods.
Thanks to new energy standards and better insulation, buildings have become increasingly energy-efficient, but at the cost of accelerated deterioration in air quality. Since high CO2 levels compromise human health and productivity, CO2 is a key indicator of indoor air quality. Air exchangers and smart ventilating systems in the commercial and the residential sector use CO2 sensors to regulate ventilation in the most energy-efficient and human-friendly way. Furthermore, CO2 sensors play an essential role in indoor air quality monitoring and can, therefore, be integrated into IAQ monitors, air purifiers, and smart thermostats. The SCD40 miniature CO2 and RH/T sensor solution will revolutionize product design approaches and create the foundation for a vast array of new applications.