MEMS and Sensors

Sensor seeks to improve indoor air quality applications

01 September 2020

Sensirion has introduced a new volatile organic compound (VOC) sensor for indoor air quality applications such as automated air quality control systems and air quality monitoring.

Sensirion presents the new SGP40 VOC sensor for indoor air quality applications such as automated air quality control systems, including air purifiers, kitchen hoods and demand-controlled ventilation systems, and air quality monitoring. Exposure to hazardous levels of VOCs can be avoided with proper ventilation or by identifying and eliminating the pollution source.

The SGP40 sensor detects high concentrations of VOC and allows users to identify the sources of such events to take appropriate action. The sensor can be integrated into smart air treatment devices and the sensor allows for automatic, demand-controlled operation, the company said.

The sensor is an integrated CMOSens sensor system on a single chip based on a metal oxide sensor that provides a humidity-compensated indoor air quality signal via a digital I2C interface. The sensor offers a reduction in power consumption, making it suitable for battery-driven applications as well.

The SGP40 sensor detects high concentrations of volatile organic compounds allowing users to identify the source. Source: SensirionThe SGP40 sensor detects high concentrations of volatile organic compounds allowing users to identify the source. Source: SensirionSensirion said that because most people spend a majority of their time indoors, good air quality is becoming increasingly important. VOCs are one of the main contributors to bad air quality and these devices need to be monitored. Likewise, modern building materials have resulted in better insulation but also limit air exchange with the outside world, leading to higher VOC concentrations indoors.

To contact the author of this article, email PBrown@globalspec.com


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