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Environmental Sensors
- Humidity Sensors
- Temperature Sensors
  - Temperature Sensor STS3x
  - Temperature Sensor STS21
- Gas Sensors
- Particulate Matter Sensors (PM2.5)
- Carbon Dioxide Sensors (CO2)
- Download Center and FAQ
- Support Center
- Our Latest Sensor Innovation
  Long-Term Stable Metal-Oxide Gas Sensor
  
  The long-term stable metal-oxide gas sensor SGP features multiple sensing elements on one chip providing in-depth information on air quality. The SGP 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.
  
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Flow Sensors
- Liquid Flow Meters
- Mass Flow Meters for Gases
- Mass Flow Controllers for Gases
- Gas Meter Modules
  - Gas Meter Modules SGM60xx
  - Gas Meter Modules SGM70xx
- Differential Pressure Sensors
- Download Center and FAQ
- Support Center
- Product Highlight
  Proximal Flow Sensor for Neonatal and Pediatric OEM Applications
  
  The SFM3400 flow sensor is a proximal flow sensor for neonatal and pediatric applications in respiratory devices such as ventilation or anesthesia. The sensor is available as both a single-use version (SFM3400-D) and a reusable version (SFM3400-AW) and features outstanding measurement accuracy and a short signal processing time as well as high robustness. It is fully calibrated for air, N₂ and O₂ gases and it measures bidirectional flow rates of up to 33 slm. Thanks to its performance characteristics, the SFM3400 mass flow meters are ideally suited for OEM applications in the area ventilation and anesthesia.
  
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Markets
- Appliances
- Automotive
- Heating, Ventilation and Air Conditioning (HVAC)
- Mobile Devices
- Industrial Automation
- Medical
- Internet of Things (IoT)
- Smart Energy
- Consumer Electronics / Smart Home
- Our Markets
  Experts for Smart Sensor Solutions
  
  Sensirion's sensors are used in a wide range of markets and different applications. Our high-quality environmental and flow sensors and sensor solutions improve energy efficiency and sustainability. They increase our safety, support our health and raise the quality of life.
  
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About us
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- About Us
  Sensirion Worldwide
  
  Founded in 1998 Sensirion has become the leading manufacturer of flow and environmental sensors solutions. The company now employs people in various countries such as the USA, South Korea, Japan, China, Taiwan, and Germany. The headquarters in Switzerland is responsible for research, development, and production.
  
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Career
Developers

Our software talents live out their creativity not only in Switzerland but also abroad. Put on our virtual Google Glasses and meet our colleagues Johannes Winkelmann, Technology Evangelist, and Tomáš Pop, Software Engineer Mobile, in San Francisco.