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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
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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
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        • Mass Flow Meter SFM3300
        • Mass Flow Meter SFM3400
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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. 

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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

         

        Top Career Openings:

        • Front End und MS Azure Cloud Backend Developer (80-100%)
        • R&D Engineer MEMS
        • Senior Software Engineer 80-100%


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    • Home
    • Environmental Sensors
    • Temperature Sensors
    • Temperature Sensor STS32 / STS33

    Temperature Sensor STS32 / STS33

    GDP compliant data logging with ISO17025 calibration certificate

    The STS32 and STS33 are Sensirion’s new high accuracy ISO17025 certified digital temperature sensors optimized for cold and frozen chain applications. Both rely on the industry proven CMOSens® Technology, enabling increased computational power, reliability and improved accuracy specifications compared to its predecessors.

    Its functionality includes enhanced signal processing, two distinctive and user selectable I2C addresses and communication speeds of up to 1 MHz. The DFN package has a footprint of 2.5 x 2.5 mm2 while keeping a height of 0.9 mm. Every STS32 or STS33 is identified by its unique serial number and is supplied with a ISO17025 accredited calibration certificate. The calibration certificate comprises three temperatures, −30°C, 5°C, and 70°C.

    Calibration certificates and data for each STS32, STS33 sensor can be downloaded from a server address given in the shipment documents, enabling efficient processing by automated systems. In turn, STS32 users not only embed sensor hardware into their product but are also able to merge the provided calibration data from the sensor with the calibration information needed for their dataloggers. This approach heavily simplifies the manufacturing process, as the typically expensive and time-consuming calibration of the assembled device is replaced and completely covered by using a digital, pre-calibrated temperature sensor, all while meeting the stringent quality requirements of the pharmaceutical and medical industries.

     

     


    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 ±0.4 °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.


    Specifications

    SensorTemperature (°C)VDD Range (V)InterfaceAvailable Reel Sizes (pcs)Datasheet
    STS330.48 °C @ -30-70°C2.15 to 5.5 VI2C2'500, 10'000Download
    STS320.4 °C @ 0-65°C2.15 to 5.5 VI2C2'500, 10'000Download

    Accuracy Limits


    On-Demand Webinar

    GDP-compliant data logging powered by temperature sensors including ISO17025 calibration certificates

    In this webinar our expert Maximilian Eichberger, Head of Product Management Humidity and Temperature Sensors, has talked about GDP compliant data logging powered by temperature sensors including ISO17025 calibration certificates.

    What can you learn from this webinar?

    • Get an overview of the key features of the new STS32 digital temperature sensor
    • Understand the business and technical benefits of having an ISO17025 calibration certificate
    • What is traceability in the context of NIST and ISO17025?
    • Find out how to reduce costs and increase quality for temperature data Loggers
    • Receive support material from Sensirion to facilitate the design-in process

     

    Watch now!

     

     


    Pharmaceutical Data Logging

    During production, handling, and delivery of pharma products, environmental parameters such as temperature and humidity must be closely controlled. For example, only product temperatures within presupposed limits will guarantee the intended use or even prevent fatal misuse. Recognizing the impact of handling conditions on product reliability has generated high standards in the industry from companies and legislation, such as GDP and pharmacopoeia, and EN12830.


    The requirements place particular emphasis on the calibration of data loggers. Here, ISO 17025-compliant, three-point calibration processes ensure the highest monitoring quality. Sensirion provides value to the industry by supplying fully calibrated digital temperature sensors including three-point calibration certificates. This enables customers to manufacture data loggers in a scalable and cost-efficient way with highest quality standards. Learn more


    Technical Documents

    • Datasheet STS32

    Markets

    • Automotive
    • Medical
    • Consumer
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