A drastically miniaturized CO2 sensor is now available through Sensirion’s distribution network. Compared to its predecessor, the SCD4x CO2 sensor is seven times smaller and offers many more disruptive features.
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Marco Gysel |
High levels of carbon dioxide (CO2) compromize humans’ cognitive performance and well-being. Thanks to new energy standards and better insulation, houses have become increasingly energy efficient. However, CO2 produced by the human metabolism can accumulate rapidly. Therefore, CO2 is a key indicator for indoor air quality. Measuring indoor CO2 concentration enables smart ventilation systems to regulate ventilation in the most energy-efficient and human-friendly way. Moreover, indoor air quality monitors and other connected devices can help to maintain a low CO2 concentration for a healthy, productive environment.
The SCD4x series is Sensirion’s next-generation miniature CO2 sensor that offers the smallest size combined with an unmatched price-to-performance ratio. The series consists of the SCD40 and SCD41 CO2 sensors. Both sensors are built on the photoacoustic sensing principle and Sensirion’s patented PASens® and CMOSens® Technology to enable unmatched small sensor size combined with high performance. The SCD40 offers an accuracy of ±(50 ppm + 5% of reading) at 400–2000 ppm, while the SCD41 has an accuracy of ±(40 ppm + 5% of reading) at 400–5000ppm. In addition, the SCD41, featuring a low-power mode, is perfectly suited for applications with a limited power budget.
SMD compatibility and the small footprint allow cost- and space-effective integration to boost freedom of design for device manufacturers. The integrated best-in-class humidity and temperature sensor enables superior on-chip signal compensation and additional RH and T outputs. Finally, the large supply voltage range (2.4 V – 5.5 V), the robustness to external stresses and the adjustable power consumption make the SCD4x the perfect fit for varying customer needs.
@sensirion #PAuto #AirQuality
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