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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 / STS33
      • 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
      • SFA30 Formaldehyde Sensor Module
      • Nubo Air
      • Evaluation Kit SEK-Environmental Sensing
        • Evaluation Kit SEK-SCD41
        • Evaluation Kit SEK-SVM40
        • Evaluation Kit SEK-SFA30
      • Download Center
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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 SFC5500
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        • Mass Flow Controller SFC5300
        • Customized (OEM) Mass Flow Controllers
        • Evaluation Kit EK-F5x
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        • Differential Pressure Sensor SDP3x
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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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      • 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. 

        Read more

    • About us
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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. 

        Read more

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      • Most Popular Employer in Switzerland 2019

        Learn more: www.sensirion.com/GPTW

         

        Top Career Openings:

        • Field Application Engineer
        • R&D Engineer Gas Sensors
        • R&D Engineer for Automotive Environmental Sensors

         


        All our career openings

    • Developers
    Sensirion AG Switzerland
    • Make your combustion process ready for a future with hydrogen.

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    • Combustion Process Monitoring

    Optimized Combustion Control for Hydrogen-operated Boiler

    Climate neutrality, sustainability and the reduction of CO2 emissions are now global trends. The decarbonization of the energy sector plays an important role in this context, as this sector contributes significantly to CO2 emissions. A promising strategy here is the use of renewable gases, such as biogas or sustainably produced hydrogen gas, or admixtures of renewable gases with natural gas. Thanks to its versatility, hydrogen is a particularly promising candidate for supporting decarbonization efforts, with great potential for the future.

    However, operating gas appliances with hydrogen or a hydrogen/natural gas blend poses several challenges and requires several adaptions to ensure devices can operate reliably and safely while remaining energy efficient. Sensirion offers solutions to enable boilers to operate efficiently and safely with 100% hydrogen as well as with varying hydrogen/natural gas blends.

    Choose Sensirion as your technology provider to enable your boiler to be ready for a hydrogen future. Our sensor portfolio offers the right products to meet the high requirements for these emerging applications.

    Be “H2 Ready”

    Sensirion's solutions are available today to ensure combustion appliances such as boilers can become H2 ready.

    Would you like to learn more or discuss a specific project with us? Please contact our sensor experts via industrialsensirioncom.


    Applications

    Ensure energy efficiency for boilers running with H2/natural gas blends by measuring the hydrogen concentration

    It is already planned that in the coming years, natural gas will be blended with up to 23% of hydrogen. Studies have shown that this results in a loss of output energy for boilers. This is caused by a sub-optimal combustion process under varying hydrogen concentrations in the fuel.

    Sensirion’s sensor solutions can determine the proportion of hydrogen in the H2/natural gas blend as a fraction. This information can be considered as an input signal by the combustion control algorithm and helps to tune the system to always and continuously achieve maximal output power.

    Control combustion process of boilers running on 100% hydrogen by measuring the air/gas intake

    Existing approaches relying on the ionization node to monitor the combustion process do not work anymore if appliances are operated with 100% H2.

    Sensirion’s sensor solution monitors the air and hydrogen intake as well as a the H2/air mixing ratio. This allows for precise control of the combustion process. By monitoring the input parameters, the system can react faster and is therefore more precise.


    Measuring Hydrogen with the Microthermal Measurement Principle

    Using hydrogen admixtures in particular is a novel practice, and its compatibility with the current gas infrastructure is not yet fully understood, nor has it been investigated in depth. Gas meters are an essential part of the gas infrastructure and are indispensable in reliably and fairly billing gas consumption for all gas customers.

    In this article, we will examine the metrological behavior of the microthermal measurement principle for gas meters operating with natural gas mixtures containing significant amounts of hydrogen. We will present measurement data, discuss measurement accuracy and operational safety, and explain why the compact size of microthermal gas meters can be maintained regardless of the hydrogen admixtures, which is a key advantage compared to other meter technologies.

    Read the complete specialist article.

     

     


    Efficient Air and H2 Gas Flow Measurements in Bypass Configuration

    Measuring gas flow in applications requiring high precision and cost efficiency is a challenge. Where in the gas flow should a sensor be positioned? And how should the flow guide be designed to achieve the best-possible results while keeping the production processes simple? Experience with many of our customers' applications and endurance tests for product certification give a clear answer: In most cases, a bypass configuration is preferable to placing the sensor in the direct flow. Read our application page on system design in bypass configurations. Read our article here.

     

     

    Measuring the Concentration of Hydrogen in a H2/Natural Gas Blends

    Sensirion’s solutions measure the concentration of hydrogen in a H2/natural gas blends. In order to do this, a compact sensor module is placed directly into the fuel pipeline. Continuous monitoring allows for a precise control. In case the mixing ration changes, the sensor will immediately detect the new concentration. This signal can be used to adapt the combustion process, ensuring that the boiler always runs at optimal performance.


    Sensirion Differential Pressure Sensors SDP800, SDP810

    Differential Pressure Sensors SDP800 Series

    Differential pressure sensors of the SDP800 series are the reliable solution for precise air flow measurement in most demanding, but cost sensitive HVAC applications.

    Sensirion Gas Meter Modules SGM60xx G1.6 and G2.5

    Gas Meter Modules SGM60xx

    The SGM60xx gas meter modules are Sensirion's next generation products for smart gas metering applications. They achieve MID accuracy class 1.5 and are equipped with the latest generation CMOSens® flow chip which leads to ultra-low power consumption.

    Sensirion Mass Flow Controllers SFC5400

    Mass Flow Controller SFC5400

    The SFC5400 mass flow controller enables extremely precise and repeatable control over a wide dynamic measuring range and is the ideal solution for various industrial and medical applications.

    CO2 Sensor STC31

    The STC31 is a chip-sized gas concentration sensor for high range, accurate CO2 measurements designed for high-volume production.

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