CO2 sensor "SCD40"
Meeting the needs of various customers! CO2 accuracy of 400-2000ppm, ±50ppm + 5% M.V. (reading value)
The "SCD40" is a compact CO2 sensor that achieves a high cost-performance ratio. By combining tape and reel packaging with SMD assembly processing, it is suitable for mass production applications. This sensor utilizes the photoacoustic sensing principle and Sensirion's proprietary technologies, PASens and CMOSens, to achieve an unparalleled small size and high performance. 【Specifications (partial)】 ■ CO2 output range: 0 - 40000 ppm ■ Specified CO2 measurement range: 400 - 2000 ppm ■ Accuracy: ±50.0 ppm ±5.0% m.v. ■ Response time (τ63%): 60s 【Applications】 Ideal for various commercial and residential HVAC applications. ■ Air purifiers ■ Air conditioners ■ Thermostats ■ Ventilation systems ■ Air quality monitoring devices *For more details, please download the PDF or feel free to contact us.
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*For more details, please download the PDF or feel free to contact us. *The Japanese data sheet may not contain the latest information. If you would like to check the latest information, please obtain the English version from our website's download center.
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For more details, please download the PDF or feel free to contact us.
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We will be exhibiting at Smart Sensing 2026 from June 10 to 12.
Sensirion AG will be exhibiting at the exhibition "Smart Sensing 2026" held at Tokyo Big Sight from June 10 (Wednesday) to June 12 (Friday). At this exhibition, in addition to environmental and flow sensing, we will also introduce refrigerant detection solutions and sensor solutions for automotive applications. We will showcase measurement demonstrations and new products that will be unveiled for the first time at the exhibition, providing an opportunity for you to directly confirm the performance and technological excellence of our products. We hope you will stop by. ■ Venue: Tokyo Big Sight ■ Booth No.: F - 07 (West Hall 3) ■ Exhibits: Refrigerant detection sensor measurement demo CO2 sensors (NDIR, photoacoustic, thermal conductivity) measurement demo Indoor air quality combo sensor module (temperature and humidity, PM, VOC, NOx, CO2, HCHO) measurement demo Liquid flow sensor measurement demo Anti-fog detection/automatic defrost sensor (SAAF series) measurement demo Various physical samples All of our staff are looking forward to welcoming you.
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CO₂ monitoring that contributes to improving the sleep environment.
High-quality sleep is essential for maintaining cognitive function and physical recovery. However, in recent years, it has become increasingly difficult to secure restorative sleep, and one of the factors behind this is the growing concern about indoor air quality (IAQ). Recent findings suggest that insufficient ventilation and rising indoor CO₂ levels may impact sleep quality, brain function, and the autonomic nervous system. CO₂ concentration is a representative indicator of indoor ventilation conditions, and monitoring with CO₂ sensors allows for quantitative assessment of invisible environmental factors. <Reasons for the focus on CO₂ monitoring> ■ Stable measurements using proven sensing technology ■ Compatibility with a wide range of applications, including HVAC, smart devices, and healthcare equipment ■ Support for compliance with major indoor environmental standards such as WELL and RESET <Examples of applications> ■ Air conditioning and ventilation systems, indoor air quality (IAQ) monitors ■ Smart home devices and healthcare-related devices CO₂ monitoring contributes to creating a more comfortable and healthy sleep environment by visualizing environmental data and leading to actions such as improving ventilation. For details on the features and specifications of CO₂ sensors, please refer to the catalog.
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Sensirion's mission is to provide sensors and sensor solutions with excellent design and reliability, becoming the number one partner for our customers. We aim to elevate the standards of sensor technology by leveraging technology intelligence. In doing so, we contribute to improving the sustainability, efficiency, health, safety, and quality of life for people and businesses. We pursue a common goal of shaping the future of the automotive industry, industrial sectors, building and HVAC technology, medical technology, and consumer electronics through innovation in collaboration with our partner companies and customers. Sensirion was founded in 1998 and currently has about 1,000 employees at its headquarters in Stäfa, Switzerland, and numerous subsidiaries around the world.