SCD4x evaluation kit for the CO2 sensor

12th February 2021

SENSIRION

Alex Lynn

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Sensirion has presented the SEK-SCD41 CO2 sensor evaluation kit. The SEK-SCD41 evaluation kit has been designed for easy and cost-efficient evaluation of Sensirion’s SCD4x CO2 sensor. High levels of carbon dioxide (CO2) compromise 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 is Sensirion’s next-generation miniature CO2 sensor series that offers excellent performance. The sensor is built on the photoacoustic sensing principle and Sensirion’s patented PASens and CMOSens Technology to enable unmatched small sensor size combined with high performance. SMD compatibility and the small footprint allow cost- and space-effective integration to boost freedom of design for customers.

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 to 5.5V), the robustness to external stresses and the adjustable power consumption make the SCD4x the perfect fit for varying customer needs.

“Our disruptive SCD4x makes CO2 sensing accessible for new applications and enables customers to use novel design-approaches. The SEK-SCD41 evaluation kit represents the perfect tool kit for effective SCD4x sensor evaluation and efficient prototyping,” said Marco Gysel, Product Manager CO2 Sensors at Sensirion.

The evaluation kit contains a SCD41 CO2 sensor mounted on a development board with a JST connector and through-hole pins. The included adapter cable (JST-Ethernet) connects to Sensirion’s SEK-SensorBridge for easy evaluation of the sensor via the SEK-ControlCenter viewer software. Finally, the kit contains a four-pin jumper wire cable that enables fast prototyping, e.g. through integration into existing platforms (like Arduino, Raspberry Pi and so on).

Start evaluating the SCD4x CO2 sensor; the kit is now available worldwide through Sensirion’s distribution network. The SCD40 and SCD41 sensor components will be available soon.