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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)
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        • Digital Humidity and Temperature Module SCC30-DB (RH/T)
        • SF2 Filter Cap
        • SHT31 Smart Gadget Development Kit
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        • Multi-Gas, Humidity and Temperature Module SVM30 (NRND)
      • Particulate Matter Sensor SPS30
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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
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        • 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
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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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        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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        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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    • Sensirion Medical Application Flow Measurement

      Mass Flow Meter SFM3300

      Proximal Flow Sensors (Autoclavable / washable or single-use)

    • Home
    • Flow Sensors
    • Mass Flow Meters for Gases
    • Mass Flow Meter SFM3300

    Mass Flow Meter SFM3300

    Proximal Flow Sensors (Autoclavable / washable or single-use)

    The SFM3300 mass flow meter is a sensor for proximal flow measurement in respiratory applications such as ventilation or anesthesia. There are two versions available: the SFM3300-AW is autoclavable and washable and the SFM3300-D is single-use.

    The SFM3300 features outstanding measuring accuracy and robustness as well as a short signal processing time. The digital flow sensor measures bidirectional flow volumes of up to 250 slm and is fully calibrated for air, N2 and O2 gases. The special design of the flow channel results in a low dead space volume and the slightly greater pressure drop ensures more stability compared to variable inlet conditions. The sensor also features medical cones for pneumatic connection to the respiratory cycle and has a mechanical interface for a user-friendly electrical connection. Thanks to its performance characteristics, the SFM3300 mass flow meter is ideally suited for single-use proximal flow measurements in medical ventilation, hospital applications, residential care applications and emergency situations.

    Like all Sensirion sensors, the SFM3300 is based on the innovative CMOSens® Technology, which combines the sensor element and processing electronics on a single, tiny CMOS microchip. The CMOSens® mass flow sensor offers durably stable and interference-free measurement and enables a very fast and highly precise sensor signal.


    Features

    • Autoclavable / washable (SFM3300-AW) or single-use (SFM3300-D)
    • Flow rates: ±250 slm (bidirectional)
    • Fully calibrated
    • Very fast update time (0.5 ms)
    • Small dead space: < 10 ml
    • Best-in-class accuracy
    • Robust
    • Low dependency on different inlet conditions
    • Medical cones for pneumatic connection to standard breathing circuits
    • Mechanical interface for electrical reconnection

    Applications

    • Proximal flow measurement
    • Expiratory measurement
    • Ventilation
    • Anesthesia
    • Respiratory measurements
    • Metabolic measurements

    More information about applications in the medical market.


    Download Image

    Download Center

    Here you can find all documents of Sensirion's mass flow meters for download.


    Proximal Flow Sensors for Neontatal Applications

    Sensirion’s product range includes proximal flow sensors for neontatal and pediatric applications. The sensors are available as single-use and as reusable version. Learn more about the SFM3400-D and SFM3400-AW mass flow meters.


    Autoclavable Sensors for Medical Applications

    Sensirion has been developing and marketing flow metering sensors for many years. Until now, these sensors have been used in ventilation and anesthetic devices to measure the volume of clean air administered to the patient. But apart from this clean tract, both ventilation and anesthetic procedures need a means of metering the flow of exhaled air. This is known as either proximal or expiratory flow metering. In both cases, the sensor comes into contact with air from the patient that is potentially infected with germs and pathogens. These sections of the apparatus are therefore comprised of disposable parts or hygienically sterilizable. Now Sensirion has developed new flow metering devices that are autoclavable and can be washed. 

    Read more


    Related Products

    Sensirion Mass Flow Meters SFM3000

    Mass Flow Meter SFM3000

    The digital SFM3000 mass flow meter excels in accuracy, fast response time and low pressure drop, making it highly suitable for cost-sensitive flow measurements in medical and industrial applications.

    Sensirion Mass Flow Meters SFM3100

    Mass Flow Meter SFM3100

    The analog SFM3100 mass flow meter as a compact design and can be easily integrated into existing systems. An integrated temperature sensor eliminates the need to install an additional sensor.

    Sensirion Mass Flow Meters SFM3200

    Mass Flow Meter SFM3200

    The fully calibrated SFM3200 is suitable for inspiratory flow measurement. In addition, an autoclavable / washable version (SFM3200-AW) for expiratory flow measurements is available.

    Mass Flow Meter SFM3400

    The SFM3400 is a proximal flow sensor for neonatal and pediatric application in respiratory devices. It is fully calibrated and temperature compensated and features high accuracy and a fast update time.

    Technical Documents

    • Datasheet SFM3300 (AW and D)
    • Product Flyer Proximal Flow Sensors
    • RoHS, REACH and Hal-Free Declaration GFM

    Press

    • The right mass flow meter for every medical device - Sensirion adds three new products to the SFM3xxx platform
    • Sensirion presents autoclavable flow meters
    • Autoclavable mass flow meters increase patient safety
    • Single-Use Flow Sensor for Proximal Measurements in Ventilation

    Markets

    • Medical

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