Breaking the size barrier in CO2 sensing: First miniaturized CO2 sensors are now available globally

4 MAY 2021

Sensirion, the expert in environmental sensing, proudly announces global availability of its drastically miniaturized CO2 sensor through Sensirion’s distribution network. Compared to its predecessor, the SCD4x CO2 sensor is seven times smaller and offers many more disruptive features

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.

 Marco Gysel 

“The ongoing pandemic has taught us the importance of indoor air quality. Thanks to its small size, cost-effective pricing and easy assembly, the SCD4x makes CO2 sensing accessible to a new set of devices and applications. This will help us contain the pandemic and increase our well-being,” says Marco Gysel, Product Manager CO2 Sensors at Sensirion.

The SCD40 and SCD41 sensor components are available worldwide through Sensirion’s distribution network. Learn more about the SCD4x CO2 sensor at: www.sensirion.com/scd4x

To evaluate the SCD4x, Sensirion offers the SEK-SCD41-Sensor evaluation kit. Learn more about it at: https://www.sensirion.com/my-scd-ek

Sensirion

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