Multi-Pixel Gas Sensor SGP
Multi-Pixel Gas Sensor SGP
The multi-pixel gas sensor SGP opens up new possibilities for the measurement of indoor air quality. The long-term stable metal-oxide gas sensor features multiple sensing elements on one chip providing in-depth information on air quality. The SGP gas sensor is based on Sensirion’s multi-pixel platform, which integrates four gas sensing elements into a very small 2.45 x 2.45 x 0.9 mm3 DFN package featuring a fully calibrated air quality output signal.
The unprecedented combination of long-term stability and multi-pixel technology opens up new possibilities for environmental monitoring in smart home, appliances and Internet of Things applications. Thanks to its unique performance, the SGP allows the integration of metal-oxide gas sensors into mobile devices.
Traditional metal-oxide gas sensors suffer from poor long-term stability including a rapid loss of sensitivity and a strong increase in response time. This degradation is caused through irreversible contamination by certain chemical compounds like siloxanes which are ubiquitous in real-life applications due to their widespread use in consumer products and production environments. Sensirion’s proprietary metal-oxide technology and multi-pixel platform provide the SGP with an unmatched robustness against these contaminants resulting in unique long-term stability and accuracy. Thus, with the SGP a reliable metal-oxide gas sensor is truly available!
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Overview of Sensirion's Gas Sensors
| Product | Output | Supply Voltage | Average Current | Package | Interface | Typ Accuracy | Output Range | Long-Term Stability | Baseline Compensation | Humidity Compensation | Datasheet |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SGP30 |
| 1.8V | 48mA | 6-pin DFN (2.45x2.45x0.9m3) | I2C 1.8V |
|
| MOXSens® siloxane resistance: typ. 1.3% accuracy drift per year in siloxane accelerated lifetime test | on-chip baseline compensation algorithm | yes | Download |
| SGPC3 | Total VOC in ppb | 1.8V | 1mA | 6-pin DFN (2.45x2.45x0.9m3) | I2C 1.8V | TVOC: 15% of meas. value |
| MOXSens® siloxane resistance: typ. 1.3% accuracy drift per year in siloxane accelerated lifetime test | on-chip baseline compensation algorithm | no | Download |
Environmental Sensing
Environmental conditions have a major impact on our well-being, comfort, and productivity. Sensirion’s sensor solutions provide detailed and reliable data on key environmental parameters such as humidity, temperature, volatile organic compounds (VOCs), particulate matter (PM2.5), and CO2. Environmental Sensing opens up new possibilities to create smarter devices that improve our comfort and well-being as well as increase energy efficiency in a wide variety of applications.
We accompany you through the entire product development process, from the initial idea to product launch and beyond. Our expertise ranges from prototype construction, design-in support and use-case development to inline testing at the mass production stage.
Indoor Air Quality and Volatile Organic Compounds
People spend 90% of their time indoors where concentrations of gaseous pollutants are significantly higher than outdoors. The widespread use of new products and building materials, as well as improved insulation for energy efficiency, has resulted in increased
concentrations of volatile organic compounds (VOCs). These VOCs originate mainly from paints and solvents, carpets and furniture, and cleaning agents, and are also emitted by humans. Elevated VOC levels can have a negative impact on well being, comfort, and cognitive abilities. Exposure to high levels of VOCs can be avoided or significantly reduced by regular ventilation, air purification and removal of strong VOC sources.
The Total VOC (TVOC) concept has been established as a practical time and cost-effective method of surveying indoor environments for contamination. Sensirion’s multi-pixel gas sensor SGP enables measurement of TVOC levels and thus helps to increase the efficiency of ventilation and air purification, and increases awareness of VOC sources and indoor air pollution.
Indoor Air Quality and Volatile Organic Compounds
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