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    • 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
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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
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        • Mass Flow Meter SFM3000
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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

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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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        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

         

        Top Career Openings:

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        • Senior Software Engineer 80-100%
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    • Developers
    Sensirion AG Switzerland
    • Digital Humidity Sensors (RH/T)

      Our sensors stand for excellent precision, reliability as well as long-term stability and set industrial standards worldwide.

    • Sensirion Automotive Engery Efficiency

      Digital Humidity Sensors (RH/T)

      One in five cars manufactured today has an integrated Sensirion sensor.

    • Sensirion Consumer Electronics Smartphone

      Digital Humidity Sensors (RH/T)

      More than 100 million mobile phones are equipped with Sensirion humidity & temperature sensors today.

    • Home
    • Environmental Sensors
    • Humidity Sensors

    Digital Humidity Sensors (RH/T)

    Sensirion is the world’s leading manufacturer of digital relative humidity sensors. By pioneering digital humidity sensors 20 years ago, Sensirion has defined an industry standard with the SHTxx series. Best-in-class products, unmatched experience, and excellent application support make Sensirion the no. 1 partner for humidity sensing.


    Top Products

    Humidity Sensor SHT4x

    Next generation RH/T sensor platform with multiple accuracy and interface options.

    • 1.08 - 3.6 V supply voltage
    • I2C interface
    • Average current: 0.4 µA (at meas. rate 1 Hz)

    Humidity Sensor SHT3x

    Established RH/T sensor platform with multiple accuracy and interface options.

    • 2.15 - 5.5 V supply voltage
    • I2C and analog interface options
    • Various protection options (protective cover, filter membrane)
    Sensirion Humidity Sensors SHT3x

    Humidity Sensor SHT85

    Pin-type humidity sensor enabling easy replaceability.

    • Fully calibrated, digital output
    • High accuracy
    • Pin-type package – easy integration

    Digital Humidity Sensor SHT40

    The SHT40 builds on a completely new and optimized CMOSens® chip that offers reduced power consumption and improved accuracy specifications. With the extended supply voltage range from 1.08 V to 3.6 V, it’s the perfect fit for mobile and battery-driven applications. The exceptionally small size in a robust DFN housing enables integration into challenging designs while meeting the highest reliability demands, as demonstrated by the JEDEC JESD47 qualification.


    Learn more


    Get an Overview of Sensirion's Humidity Sensors

    ProductTyp. RH
    Accuracy (%RH)
    Typ.
    T Accuracy (°C)
    VDD Range (V)InterfacePackage Size
    (mm3)
    Protective OptionsAutomotive Version
    available
    DatasheetsBuy Now
    SHT40±1.8
    @0-100% RH
    ±0.2
    @0-65°C
    1.08 to 3.6I2C1.5 x 1.5 x 0.5Available in 2021Available in 2022Download
    SHT30±2
    @10-90% RH
    ±0.2
    @0-65°C
    2.15 to 5.5I2C, analog voltage2.5 x 2.5 x 0.9-yesDigital
    Analog
    SHT31±2
    @0-100% RH
    ±0.2
    @0-90°C
    2.15 to 5.5I2C, analog voltage2.5 x 2.5 x 0.9Protective Cover
    Filter Membrane
    yesDigital
    Analog
    SHT35±1.5
    @0-80% RH
    ±0.1
    @20-60
    °C
    2.15 to 5.5I2C2.5 x 2.5 x 0.9Filter MembraneyesDownload
    SHTW2±3
    @20-80% RH
    ±0.3
    @0-60°C
    1.62 to 1.98I2C1.3 x 0.7 x 0.5-noDownload
    SHTC3±2
    @20-80% RH
    ±0.2
    @5-60°C
    1.62 to 3.6I2C2 x 2 x 0.75-noDownload
    SHTC1±3
    @20-80% RH
    ±0.3
    @5-60°C
    1.62 to 1.98I2C2 x 2 x 0.75-noDownload
    SHT85±1.5
    @0-80% RH
    ±0.1
    @20 to 50°C
    2.15 to 5.5I2C17.8 x 4.9 x 2.1-noDownload
    • Table Overview Humidity Sensors

    Sensirion Icon Download

    Download Center

    Here you can find all documents of Sensirion's humidity sensors for download.


    Test Our Environmental Sensors with Sensirion's Evaluation Kit

    With plug-and-play hardware, user-friendly viewer software and compatibility with all environmental sensors, SEK-Environmental Sensing makes evaluation easier and faster than ever before. This allows our customers to focus on developing innovative sensor applications.

    Learn more


    Sensirion Environmental Sensing Infographic

    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.

    More about environmental sensing


    Development Kit: SHT31 Smart Gadget

    The SHT31 Smart Gadget is a simple reference design circuit board and development kit which demonstrates the outstanding performance and ease of use of Sensirion’s humidity and temperature sensors. The Smart Gadget not only shows humidity and temperature values on the display, but can also communicate with a bluetooth SMART capable device like a smartphone. For developers, full design resources of the SHT31 Smart Gadget are available on GitHub.

    Features:

    • SHT31 humidity sensor
    • LCD display for humidity, temperature and dew point in °C and °F
    • Bluetoogh Low Energy (BLE) connectivity to iOS and Android smartphones
    • iOS and Android apps available
    • Data logging capabilities
    • Complete hardware, firmware and software design resources available


    Order your SHT31 Smart Gadget Development Kit via Mouser Electronics or DigiKey now. Find more detailed information about our SHT31 Smart Gadget here.


    What We Offer

    Expert First Contact

    • Specialized and experienced sales force
    • Worldwide presence with a global distribution network

    Fast And Easy Product Evaluation

    • Comprehensive product portfolio
    • Easy-to-use evaluation kits for effortless humidiy and temperature measurement during sensor evaluation
    • Wide range of technical documents - data sheets, sample code, application notes

    Design-In Support

    • Assistance with the integration of SHTxx sensors into your application
    • Proven best practices to ensure that your production concept accommodates the requirements of SHTxx sensors

    Lifetime Support

    • Reliable and flexible production
    • Sustainable product innovation roadmap to meet your future needs

    Main Use Drivers for SHTxx

    Health and Comfort

    Humidity and temperature significantly affect personal health and comfort; thus, the measurement of humidity and temperature in this context can improve personal well-being. Applications include humidifiers, baby monitors, and home care respiratory equipment.

    Quality and Reliability

    Humidity and temperature influence the quality and reliability of numerous processes. Measuring humidity and temperature can help improve the quality and reliability of such processes. Applications include data logging in the logistics of sensitive goods, humidity sensing in printers, and water intrusion detection in critical electronic devices.

    Energy Saving

    Measurement of humidity and temperature can help optimize processes and thus save energy and costs. Applications include automotive engine control, smart condensation control for refrigerators, and optimization of A/C cooling cycles.

    Safety

    Humidity and temperature may influence the safety of a system, a process, or a person; thus, humidity and temperature measurement can help ensure their safety. Applications include automotive windshield anti-fogging, water intrusion detection in battery packs, and building supervision for insurance purposes.


    Sensirion Developers - Get Inspired

    On our developer website you can find many application ideas using humidity and temperature sensors. Furthermore, there are various tutorials for different platforms available. Here are some examples:

    AirTouch®

    AirTouch® is an input method for touchless interaction with a device. Due to the very high humidity of human breath, it can be detected if a user is blowing onto a device and thus trigger an activity.

    Smart Speakers

    Smart Speakers offer a lot of useful and fun features. By implementing Sensirion's environmental sensors, the device learns about the ambience and can provide information on indoor air quality, ambient temperature and humidity.

    Click here to visit our developer website and kick-start your own projects.


    More Humidity Sensors

    Digital Humidity Sensor SHTC3 (RH/T)

    The SHTC3 digital humidity sensor will feature a broad supply voltage range (1.62-3.6 V) and has been designed specifically for the consumer electronics industry.

    Sensirion Humidity Sensors SHTC1

    Digital Humidity Sensor SHTC1 (RH/T)

    The SHTC1 humidity sensor has become the standard for applications in consumer electronics. The 2 mm x 2 mm DFN package offers an ideal trade-off between robustness, ease of use and size.

    Sensirion Humidity Sensors SHTW2

    Digital Humidity Sensor SHTW2 (RH/T) (NRND)

    The ultra-small, digital 1.8 V SHTW2 humidity sensor convinces with its low power consumption and proven performance. Therefore it opens up countless opportunities for the Internet of Things.

    Sensirion Humidity Sensors SHT7x

    Digital Humidity Sensor SHT7x (RH/T) (End of Life)

    The easy replaceability and low power consumption make the digital pin-type SHT7x humidity sensor series the ultimate choice for even the most demanding applications.

    Sensirion Humidity Sensors SHT2x

    Digital Humidity Sensor SHT2x (RH/T)

    The digital SHT2x humidity sensor series is used in high volumes in a wide variety of applications and has today become the de facto industry standard in various markets.

    Sensirion Humidity Sensors SHT1x

    Digital Humidity Sensor SHT1x (RH/T) (End of Life)

    The humidity sensors of the SHT1x series are surface-mountable relative humidity sensors. The SHT1x was the first digital, fully calibrated, and reflow solderable humidity sensor on the market.

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