ENS161 Air Quality Sensor

ENS161 Air Quality Sensor

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ScioSense’s range of digital multi-gas sensors is designed for indoor air quality monitoring

ScioSense’s ENS161 is the latest addition to the ENS16x family, a range of digital multi-gas sensors specifically designed for indoor air quality monitoring. Both ENS160 and ENS161 combine the detection of a wide range of gases, including volatile organic compounds (VOCs) and oxidizing gases, with intelligent on-chip algorithms.

The sensor calculates a series of fully processed outputs such as CO2 equivalents (eCO2), total volatile organic compounds (TVOC) equivalents (eTVOC), and a 5-step air quality index (AQI) according to the German Environment Agency, Umweltbundesamt (UBA) (AQI-U), while the ENS161 additionally provides a 500-step relative AQI according to ScioSense (AQI-S) output.

While all this is done on-chip with no required libraries or additional overhead for external controllers or processors, the ENS161 introduces low-power operating modes. By lowering the sample rates of the sensor, low-power and ultra-low-power modes can be offered, reducing average current consumption to 700 µA or 150 µA, respectively. In addition to traditional smart home and building applications, this opens up wearables, battery-powered devices, smart things, and IoT applications to integrate air quality sensing in a space-saving 3 mm x 3 mm LGA package.

Features

  • Multiple, fully processed output signals including eTVOC, eCO2, and AQI outputs AQI-U and AQI-S
  • Low power modes down to 150 μA current consumption
  • On-chip measurement and heater drive control with integrated sensor fusion and automatic baseline algorithms, no need for external libraries
  • TrueVOC® air quality sensor with excellent stability
  • Supply voltage VDD: 1.71 V to 1.98 V
  • Wide operating ranges:
    • Temperature (T): -40°C to +85°C
    • Relative humidity (RH): 5% to 95%
  • Communication through I²C or SPI interface
  • Compact size: 3.0 mm x 3.0 mm x 0.9 mm LGA package
  • Options to access raw sensor data
  • Evaluation kit and dashboard software available

more information: https://www.sciosense.com/products/environmental-sensors/ens16x-digital-metal-oxide-multi-gas-sensor/

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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