The new CO2 sensor has been miniaturized by a factor of 5 compared to its predecessor, the SCD30, the optical cavity being drastically reduced without compromising on sensor performance. Its price-performance ratio means the SCD40 is especially well suited for high-volume and cost-sensitive applications. Thanks to new energy standards and better insulation, buildings have become increasingly energy efficient, but at the cost of accelerated deterioration in air quality. CO2 is a key indicator for 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, these sensors are also found in air purifiers and smart thermostats.
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