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    Sensirion AG Switzerland
    • Home
    • Environmental Sensors
      • Humidity Sensors
        • Digital Humidity Sensor SHT4x (RH/T)
        • Digital Humidity Sensor SHT3x (RH/T)
        • Digital Humidity Sensor SHT85 (RH/T)
        • Digital Humidity Sensor SHTC3 (RH/T)
        • Digital Humidity Sensor SHTC1 (RH/T)
        • Digital Humidity and Temperature Module SCC30-DB (RH/T)
        • SF2 Filter Cap
        • SHT31 Smart Gadget Development Kit
        • Digital Humidity Sensor SHTW2 (RH/T) (NRND)
      • Temperature Sensors
        • Temperature Sensor STS3x
        • Temperature Sensor STS32
      • Multi-Pixel Gas Sensors SGP
        • VOC Sensor SGP40
        • VOC Sensor SGP30 / SGPC3 (NRND)
        • Multi-Gas, Humidity and Temperature Module SVM30 (NRND)
      • Particulate Matter Sensor SPS30
      • Carbon Dioxide Sensors
        • Carbon Dioxide Sensor SCD4x
        • Carbon Dioxide Sensor SCD30
        • Carbon Dioxide Sensor STC31
      • Formaldehyde Sensor Module SFA30
      • Nubo Air
      • Evaluation Kit SEK-Environmental Sensing
        • Evaluation Kit SEK-SCD41
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      • Formaldehyde Sensor SFA30

        Formaldehyde Sensing Made Easy

        The SFA30 is Sensirion’s new digital formaldehyde sensor designed for easy integration into air purifiers, demand-controlled ventilation systems, or indoor air quality monitors. Based on Sensirion’s electrochemical technology, the SFA30 offers excellent formaldehyde sensing performance with a uniquely low cross-sensitivity to other VOCs. The sensor module’s on-board SHT sensor provides accurate humidity and temperature readings and enables a fully temperature/humidity compensated and factory calibrated formaldehyde concentration output in ppb.

        More

    • Flow Sensors
      • Liquid Flow Meters
        • Lx – Compact Liquid Flow Meters
          • Liquid Flow Meter LG16
          • Liquid Flow Meter LG01
          • Liquid Flow Meter LS32-1500
        • SLx – Standalone Liquid Flow Meters
          • Liquid Flow Meter SLI
          • Liquid Flow Meter SLG
          • Liquid Flow Meter SLQ-QT105
          • Liquid Flow Meter SLQ-QT500
          • Liquid Flow Meter SLS-1500
        • Liquid Flow Sensor SLF3x
        • Liquid Flow Sensor LPG10
        • Liquid Flow Sensor LD20
        • Liquid Flow Meter Kits
        • Customized (OEM) Liquid Flow Meters
      • Mass Flow Meters for Gases
        • Mass Flow Meter SFM3000
        • Mass Flow Meters SFM3003 and SFM3013
        • Mass Flow Meter SFM3019
        • Mass Flow Meter SFM3100
        • Mass Flow Meter SFM3119
        • Mass Flow Meter SFM3200
        • Mass Flow Meter SFM3300
        • Mass Flow Meter SFM3400
        • Mass Flow Meter SFM4100
        • Mass Flow Meter SFM4200
        • Mass Flow Meter SFM4300
        • Mass Flow Meter SFM5300
        • Mass Flow Meter SFM5400
        • Mass Flow Meter Evaluation Kits
        • Customized (OEM) Mass Flow Meters
      • Mass Flow Controllers for Gases
        • Mass Flow Controller SFC5400
        • Mass Flow Controller SFC5300
        • Customized (OEM) Mass Flow Controllers
        • Evaluation Kit EK-F5x
      • Gas Sensors
      • Differential Pressure Sensors
        • Differential Pressure Sensor SDP3x
        • Differential Pressure Sensors SDP800 Series
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        • Fail-Safe Integration with Differential Pressure Sensors
        • Evaluation Kit EK-P4
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      • Evaluation Kit SEK-Flow Sensing
      • Product Highlight

        Evaluation kit for the single-use liquid flow sensor LD20-2600B

        The LD20-2600B single-use liquid flow sensor for fast, precise and reliable measurements of the lowest flow rates in biomedical applications was successfully launched three years ago. The evaluation kit for this OEM liquid flow sensor can now also be purchased online via Sensirion's distribution network.

        Read more

    • Markets
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        • H2 Measurement
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      • Our Markets

        Sensirion Markets Icons

        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
      • Sensirion – The Sensor Company
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      • Sensirion – The Sensor Company

        Sensirion Worldmap

        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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      • Most Popular Employer in Switzerland 2019

        Learn more: www.sensirion.com/GPTW

         

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    • Developers
    Sensirion AG Switzerland
    • Creating Space for Your Ideas

      With the World's Smallest Flow Sensor

    • Home
    • Flow Sensors
    • Differential Pressure Sensors

    Creating Space for Your Ideas – With the World's Smallest Flow Sensor

    The SDP3x is the world's smallest differential pressure sensor. With a size of just 5 mm x 8 mm x 5 mm, it is the ideal solution for measurement of flow in devices where size is crucial. The form factor of the sensor opens up new dimensions of integration and application possibilities. It enables not only a cost-effective and precise flow measurement, but also a significant reduction in the size of existing devices. With Sensirion's CMOSens® Technology, the SDP3x series provide superior sensitivity at low flows, no zero-point drift and a fully digitally integrated, calibrated and temperature-compensated solution. Sensirion's differential pressure sensor SDP3x is the ideal choice for highly demanding applications, such as portable medical devices, drones or robots. We create space for your ideas. Get inspiration from the world's smallest flow sensor and revolutionize your flow measurement.


    Countless Integration and Application Ideas

    Flow and Filter Monitoring, Anywhere

    Filters are used in numerous industries and applications. A filter provides good functionality only if it is undamaged and remains unclogged. It should be replaced regularly to ensure economical, safe and effective operation. The SDP3x enables flow and filter measurement in real time.

    Read more

    Air Speed Measurement for Better User Experience

    Many UAV applications require a full calibration to ensure the best accuracy and resolution, and the highest sensitivity to generate reliable readings at low air speeds. The SDP3x sensor offers this, dramatically increasing the safety and user experience for the end user.

     Read more

    Breath Detection and Flow Measurement in One

    Triggering on inhalation flows and the precise characterization of the flow profiles are important in many respiratory applications. The SDP3x can be integrated into smart metered dose inhalers and will revolutionize respiratory therapies in the near future. Get a guide to make your own flow meter.

    Read more

    The SDP3x Differential Pressure Sensor

    The SDP3x is the world's smallest differential pressure sensor. It measures just 5 mm x 8 mm x 5 mm, opening up new dimensions in integration and application possibilities. The sensor is based on the next generation of the CMOSens® sensor chip and is the heart of Sensirion's new sensor platform for measurement of differential pressure and mass flow. 

    Go to the product page



    Click here to buy the SDP3x directly from our distributor network


    Become Part of the Sensirion-World

    With Sensirion's preference-based newsletter, we provide you with exactly the information you need. Let us know what content is of interest to you and secure access to exclusive knowledge. Sensirion's newsletters offer insights into current topics, new products, trade fairs and the company as a workplace.

     

     


    Developers Web – Get Inspired!

    Sensirion's developer website provides developers with ideas and support to launch their own projects using Sensirion's innovative environmental and flow sensors. Information on hardware platforms and tutorials, and implementation descriptions for interesting applications are available.  

    Visit the developer website to get inspired by our  application concepts or the lab ideas and learn about the SDP3x flow sensor that creates space for your flow measurement ideas.

    Go to our developers site


    Sensirion Lab Ideas With the SDP3x

    Sensirion stands for innovation. To inspire engineers and developers who are working with our sensor solutions, we have founded a new section called "Sensirion Lab Ideas". There you can find documentation to various ideas, which our employees came up with. See all lab ideas.

    Sleep Analysis

    Sensirion's differential pressure sensor SDP3x is well suited to measure the heart rate with a sleep tracker placed below the bed mattress - without the need of an inflated mat. Explore now.

    Spirometer

    A spirometer is used for lung function testing. To meet accuracy requirements, Sensirion's differential pressure sensor provides an attractive solution at lower costs than many ultrasonic sensors. Explore now.

    Breath Detection

    Non-local breath detection separates electronics from the patient interface which is often a nasal connection. The requirements on the sensor therefore is high sensitivity at very low flows, a strength of the SDP3x. Explore now.

    Intrusion Event Detection

    A very sensitive pressure sensor can detect the burst of air generated by breaking windows or the opening and closing of doors. Thus, with Sensirion's SDP3x it is possible to detect an intrusion event happening somewhere in the building. Explore now.


    Related Sensors

    Sensirion Differential Pressure Sensors SDP3x

    Differential Pressure Sensor SDP3x

    The SDP3x differential pressure sensor measures just 5mm x 8mm x 5mm, opening up new dimensions of integration and applications possibilities. It features excellent accuracy and long-term stability.

    Sensirion Differential Pressure EK-P4 1

    Evaluation Kit EK-P4

    The evaluation kit EK-P4 enables an easy and cost-efficient evaluation and qualification of Sensirion's SDP3x differential pressure sensors. Test now the features of the differential pressure sensor.

    Technical Documents

    • Whitepaper Filter Monitoring
    • Whitepaper Bypass
    • Datasheet SDP3x Analog
    • Datasheet SDP3x Digital
    • Datasheet SDP33

    Press

    • World’s smallest differential pressure sensor opens up new applications
    • New versions of the world’s smallest SDP3x differential pressure sensor

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