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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
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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 SFC5400
        • Mass Flow Controller SFC5300
        • Customized (OEM) Mass Flow Controllers
        • Evaluation Kit EK-F5x
      • Gas Sensors
      • Differential Pressure Sensors
        • Differential Pressure Sensor SDP3x
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        • Fail-Safe Integration with Differential Pressure Sensors
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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

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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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      • 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. 

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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%


        All our career openings

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    • Home
    • Flow Sensors
    • Liquid Flow Meters
    • Customized (OEM) Liquid Flow Meters

    Customized (OEM) Liquid Flow Meters

    Customizations to Fit Special Requirements

    Sometimes innovative ideas ask for new solutions and the team of experts at Sensirion is always keen on finding ways to make interesting applications happen through our technology. Customizations are made to fit special requirements, such as flow rates, limited space constraints, resistance to aggressive chemicals, or pressure resistance. Even disposable sensor designs for high-volume applications are possible.

    Our cutting-edge sensor technology and unique expertise in liquid flow sensing has led to many successful customer projects. Customized sensors are being used in a variety of applications, such as medical devices, diagnostic equipment or process control. The essential goal is to understand the requirements of our customers and to implement the key benefits of our technology skillfully to their advantage:

    Low Flow Rates
    Years of experience and expertise combined with the high sensitivity of our sensors enables flow measurement at extremely low ranges, from nanoliters to milliliters per minute.

    High Speed
    The MEMS sensor integrated on a CMOS chip permits ultra-fast response times - as fast as 20 ms – due to its small thermal mass.

    Flexibility and Cost Efficiency
    With our advanced technology, we have the flexibility to address the customer requirements in a way that ensures a customized sensor solution that is both high-performance and cost-efficient.


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    Download Center

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


    Our Core Competences

    • Design and mass production of MEMS liquid flow meters
    • No moving parts along the flow path
    • Media isolated sensing principle – no direct contact of the sensor chip with the fluid
    • Calibration in high volumes
    • Excellent technical support and application know-how

    Features

    • Flow rates from single-digit nl/min up to several hundred ml/min (bidirectional)
    • Resolution: down to 0.1 nanoliters per minute
    • Maximum operating pressure up to 1200 bar
    • High speed: down to 20 ms response time or better
    • Temperature range: -40°C up to 120°C
    • Customer-specific calibration media on request

    Electrical Specifications

    • Interface: I2C, RS485, analog, or customized interface
    • Power supply: 2.6 V - 24 V
    • Fail safety: self-test functionality
    • Low power consumption for battery-powered operation

    Mechanical Specifications

    • Inert wetted materials of your choice: glass, high-performance stainless steel, or plastics
    • Optionally protection category IP54, IP65, or IP67
    • Highly integrated liquid flow sensor modules for e.g. disposable, high-volume applications
    • Compact form factors including downmount solutions

    Related Products

    Liquid Flow Sensor SLF3x

    The SLF3x with a radically optimized mechanical design, takes the well-established functionality to the next level in price-performance ratio. The sensor maximizes safety, stability and long-term reliability in a vast range of applications.

    Sensirion Liquid Flow Meters SLI

    Liquid Flow Meter SLI

    The SLI mass flow meter series for liquids are for integration into demanding fluidic systems, ensures highly accurate measurements at low flow rates, and makes reliable and accurate dosage possible.

    Sensirion Liquid Flow Meters SLS 1500

    Liquid Flow Meter SLS-1500

    The SLS-1500 flow meter enables fast and precise measurements for flow rates of 0–40 ml/min. The inert, wetted materials of the sensor provide outstanding chemical resistance and biocompatibility.

    Sensirion Liquid Flow Meters SLQ QT500

    Liquid Flow Meter SLQ-QT500

    The versatile SLQ-QT500 flow meter measures flow rates of 0–120 ml/min. for water-based as well as hydrocarbon-based liquids and is suitable for a variety of dosing and flow applications.

    Sensirion Liquid Flow Meters SLQ-QT105

    Liquid Flow Meter SLQ-QT105

    The SLQ-QT105 flow meter is characterized by high sensitivity, reliability, and speed, and is ideally suited for measuring hydrocarbon-based liquids like photoresists and solvents.

    Sensirion Liquid Flow Meters SLG

    Liquid Flow Meter SLG

    The SLG flow meter series is ideal for monitoring rapidly changing ultralow flow rates in UHPLC applications and provides high pressure resistance of the flow channel and fast response time.

    Sensirion Liquid Flow Meters LG16

    Liquid Flow Meter LG16

    The small, pressure-resistant LG16 flow meter is used for measuring flow rates of less than 80 ml/min. Thanks to the short response time, the sensor makes it possible to detect air bubbles.

    Sensirion Liquid Flow Meters LG01

    Liquid Flow Meter LG01

    The flow switch and bubble detector LG01 measures flow rates of just a few milliliters per minute and below. It is characterized by excellent biocompatibility and chemical resistance.

    Sensirion Liquid Flow Meters LS32 1500

    Liquid Flow Meter LS32-1500

    The compact LS32-1500 flow meter measures flow rates in the 0–40 ml/min. range, is extremely robust in terms of mechanics and is characterized by its excellent repeatability and fast response time.

    Sensirion Liquid Flow Meters LPGx

    Liquid Flow Sensor LPG10

    The LPG10 OEM flow sensor on a surface of just 10 mm × 10 mm offers a smart, accurate and fast sensor solution for flow rates of only a few microliters per minute to up to 1 ml/min.

    Liquid Flow Sensor LD20

    The single-use LD20 flow sensors measure flow rates within a range of 0–1000 ml/h. The cost-effective sensors enable safe and reliable applications in the field of medical and biomedical technology.

    Sensirion Liquid Flow Meters Flow Meter Kit SLI

    Liquid Flow Meter Kits

    For quick and easy measurements of all liquid flow meters, a test kit can be ordered. The liquid flow meter kit provides a first impression of the performance of the sensors.

    Technical Documents

    • Product Brochure Liquid Flow Meters

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