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Environmental Sensors
- Environmental Sensor Node SEN5x
- Humidity Sensors
- Temperature Sensors
  - Temperature Sensor STS3x
  - Temperature Sensor STS32 / STS33
- Multi-Pixel Gas Sensors SGP
- Particulate Matter Sensor SPS30
- Carbon Dioxide Sensors
- SFA30 Formaldehyde Sensor Module
- Evaluation Kit SEK-Environmental Sensing
- Nubo Air
- Download Center
- Support Center
- Shop
- CO2 Sensor SCD4x
  Breaking the Size Barrier in CO₂Sensing
  
  The SCD4x series is Sensirion’s next-generation miniature CO₂ sensor that offers the smallest size combined with an unmatched price-to-performance ratio. The series consists of the SCD40 and SCD41 CO₂ sensors. Both sensors are built on the photoacoustic sensing principle and Sensirion’s patented PASens^® and CMOSens^® Technology to enable unmatched small sensor size combined with high performance.
  
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Flow Sensors
- Liquid Flow Meters
- Mass Flow Meters for Gases
- Mass Flow Controllers for Gases
- Gas Meter Modules
- Differential Pressure Sensors
- Download Center
- Support Center
- Shop
- Evaluation Kit SEK-Flow Sensing
- Product Highlight
  The SFC5500 is now available via distributors worldwide
  
  High performance off the shelf - the new SFC5500 mass flow controller series. The high-performance mass flow controller is calibrated for multiple gasses and comes with push-in fittings, which can be changed easily by the user. Thanks to the SFC5500's ultra-wide control range, each device can cover multiple flow ranges found in conventional devices. As a result, only three different versions with different flow ranges are enough to cover most flow rates of interest. This makes the SFC5500 ideally suited for applications in the medical, analytical and industrial sectors.
  
  Order it now!
Markets
- Automotive
- Industrial
- Medical
  - Sensors for Ventilation
  - Smart Inhaler
- Consumer
  - Indoor Air Quality
- 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.
  
  Read more
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- Sensirion – The Sensor Company
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- Sensirion – The Sensor Company
  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

"Young talent is important for a successful future. That’s why we train apprentices."
Morena Casarico,
HR Administration Specialist

Sensirion employs more than 550 employees in Staefa alone. One is always the first to arrive in the morning and last to leave in the evening. He never takes vacations and does not ask to be paid for his presence. He is Rocky the cat, who sits in front of the entrance to the main building in summer and winter, greets employees and waits to be stroked. Hardly anyone knows his name, but he seems to enjoy it here anyway.

Would you like to work at Sensirion? Find our vacancies here.

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Latest Career News

Sensirion is one of the best employers in Switzerland – not only among permanent employees, but also among apprentices. Following Great Place to Work® naming Sensirion, the international manufacturer ...

The success continues! Sensirion has once again been named one of the top employer in Switzerland by Great Place to Work® in the Large Company category. Sensirion also received the special Crisis ...

An apprentice’s week passes very quickly. External courses, school and work combine to make weekdays extremely varied, exciting and diverse. Learning can be put directly into practice, and, ...

When you complete a commercial apprenticeship at Sensirion, you change departments every six months. You will work at reception or in export, marketing, shopping, finance, selling/ordering and HR. In ...

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