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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
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      • CO2 Sensor STC31

        The most efficient way to measure high CO2 concentrations

        The STC31 is a chip-sized gas concentration sensor for high range, accurate CO2 measurements designed for high-volume production. The sensor is based on a revolutionized thermal conductivity measurement principle, which results in superior repeatability and long-term stability. This makes the STC31 the perfect choice for applications where reliability is key.

        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
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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
      • Automotive
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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 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

         

        Career Openings:

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    • Developers
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    • Home
    • Environmental Sensors
    • Temperature Sensors
    • Digitaler Temperatursensor STS3x

    Temperature Sensor STS3x

    Best-In-Class Temperature Sensor For Various Applications

    The STS3x is Sensirion’s high-accuracy digital temperature sensor series. The STS3x temperature sensor utilizes the industry-proven CMOSens® Technology and wins over users with its increased intelligence, reliability, NIST traceability and improved accuracy specifications. There are also automotive grade versions available.

    Every single STS3x is calibrated and 100% end tested. The calibration is performed with a reference sensor which is NIST traceable through an ISO/IEC 17025 accredited laboratory.

    The functionality of Sensirion’s STS3x temperature sensor includes enhanced signal processing, two distinctive and user-selectable I2C addresses, and communication speeds of up to 1 MHz. The dual-flat no-leads (DFN) package has a footprint of 2.5 × 2.5 mm2 while retaining a height of 0.9 mm. This allows for easy integration of the STS3x series into various applications. Additionally, the wide supply voltage range of 2.15 to 5.5 V and low current consumption (1.7µA typical average current at 1 measurement per second) guarantees compatibility with a wide range of applications.

    The STS3x temperature sensor gives a fully calibrated, linearized, and supply-voltage-compensated digital output and has an outstanding accuracy of up to +/–0.1°C. There are three versions available: the standard version, STS31, guarantees an accuracy of ±0.2°C over a temperature range of 0°C to 90°C, while the low-cost version, STS30, has an temperature range of 0°C to 65°C. The high-end version STS35 is the most accurate temperature sensor available with an accuracy of ±0.1°C over a temperature range of 20 to 60°C.

    Thanks to Sensirion’s CMOSens® Technology, the STS3x temperature sensor is designed for mass production, comes with a high signal-to-noise ratio and high process capability, and is proven to be highly reliable and stable over the long term.


    Overview of STS3x Versions

    ProductTemperature (°C) VDD Range (V)InterfaceAvailable Reel Sizes (pcs)DatasheetsBuy
    STS30-DIS±0.2
    @0-65 °C
    2.15 to 5.5I2C2'500, 10'000Download
    STS30A-DIS±0.3
    @0-65 °C
    2.4 to 5.5I2C2'500, 10'000Download
    STS31-DIS±0.2
    @0-90 °C
    2.15 to 5.5I2C2'500, 10'000Download
    STS31A-DIS±0.3
    @-40-90 °C
    2.4 to 5.5I2C2'500, 10'000Download
    STS35-DIS±0.1
    @20-60 °C
    2.15 to 5.5I2C2'500,
    10'000
    Download
    • Table Overview Temperature Sensors

    Features

    OutputI²C
    Energy consumption5.6 µW (at 3.3 V, low repeatability, 1 measurement / s)
    T operating range-40 to +125°C (-40 to +257°F)
    T response time2 sec (tau63%)
    AccuracyUp to ±0.1 °C

    Delivery Conditions

    PackagingTape & Reel, sealed in ESD bag
    Packaging sizes

    2'500 and 10'000 pieces per reel


    Download Image

    Download Center

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


    Accuracy Limits for Temperature

    Sensirion Temperature Sensors STS3x Diagram

    Test Our Environmental Sensors with Sensirion’s Evaluation Kits

    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


    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
    • Wide range of technical documents - data sheets, sample codes, application notes

    Design-In Support

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

    Lifetime Support

    • Reliable and flexible production
    • Sustainable product innovation roadmap to meet your future needs
    Sensirion Differential Pressure - What We Offer

    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

    Sensirion Environmental Sensing Infographic

    Related Products

    Sensirion Humidity Sensors SHT3x

    Digital Humidity Sensor SHT3x (RH/T)

    The SHT3x humidity sensor is the established industry standard thanks to its performance, range of variants, and features.

    Sensirion Differential Pressure SDP1108

    Differential Pressure Sensors SDP1108

    The analog SDP1108 differential pressure sensor is an ideal solution for respiratory devices. It provides high sensitivity and long-term stability, and has fast response times.

    Technical Documents

    • Datasheet STS3x
    • RoHS, REACH and Hal-Free Declaration Temperature Sensors
    • Sensirion Viewer Software

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