Thursday, July 18, 2024

4-in-1 MEMS Air Quality Sensor For Indoors

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Achieves up to 50% power savings for battery-operated devices, specifically optimized for high-condensation environments.

Indoor air quality significantly impacts our health, with most people spending 90% of their time indoors, often exposed to air that is less clean than outdoor air. Poor indoor air quality can lead to respiratory diseases, allergies, heart disease, cancer, and many other health issues. Bosch Sensortec unveil the BME690, the latest generation gas sensor designed to address these concerns. The 4-in-1 MEMS sensor offers comprehensive measurements of gases, humidity, temperature, and barometric pressure within a compact package. It boasts up to a 50% reduction in power consumption compared to its predecessor, making it ideal for battery-operated devices. Fully aligned with WELL and RESET standards for indoor air quality, this sensor ensures top-notch monitoring performance.

The key specifications include:

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  • Temperature: -40 °C to 85°C
  • Absolute accuracy: ±0.5 °C (0-65°C)
  • Package dimensions: 3.0 x 3.0 x 0.93 mm³

It builds on the proven platform of its predecessors, the BME688 and BME680 sensors. This new sensor maintains pin compatibility and the same compact dimensions (3 x 3 x 0.93 mm³), ensuring easy integration as a drop-in upgrade. It offers precise monitoring of gases, temperature, pressure, and humidity, equipped with innovative artificial intelligence (AI) capabilities. Ideal for indoor air quality monitoring,it detects high levels of volatile organic compounds (VOC) generated by cleaning products, cooking fumes, and other familiar sources. It is also well-suited for breath analysis (monitoring VOCs and hydrogen sulfide) and food freshness detection, preventing food wastage through timely spoilage detection. The sensor includes powerful AI features enabled by the company’s BME AI-Studio software tool, allowing customers to develop custom solutions and gain a competitive edge.

It has up to 50% lower power consumption than the previous generation sensor, making it perfect for portable, battery-powered applications such as wearables and asset tracking. Specifically designed for increased robustness in high-condensation indoor environments it is ideal for use in products like white goods and kitchen range hoods. It aligns with the WELL Building Standard and RESET Air standard.

“A high standard of indoor air quality is vital for keeping us healthy and happy,” said Stefan Finkbeiner, CEO at Bosch Sensortec. “The BME690 acts as a digital nose, providing actionable data for use in our homes, factories, and offices.” It features a noticeably faster response time to humidity changes, significantly improving control in connected smart home devices and HVAC systems. The sensor will be available from Q4 2024 onwards.

Akanksha Gaur
Akanksha Gaur
Akanksha Sondhi Gaur is a journalist at EFY. She has a German patent and brings a robust blend of 7 years of industrial & academic prowess to the table. Passionate about electronics, she has penned numerous research papers showcasing her expertise and keen insight.

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