Last Updates: 16/08/2020

E&H Liquiphant FTL41 Point Level Switch

Part Number: FTL41 Categories: ,
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  • Over 6 million installed Liquiphant point level switches in the field worldwide prove the day-to-day realiability of this device. With its active sensor technology you always be sure that your device is working correctly.
    In addition there is no need of adjustment to different media.

    • One measuring system for any liquid. Simple to use with plug and play functionality based on active sensor technology
    • Better long-term stability compared to float switches due to no mechanically moving parts
    • Repeatability of switching point
    • Universal use in all pumpable liquids
    • No need of maintenance

    Point level switch with extension tube for all liquids.

    • Process connections: Threads, flanges and hygienic process connection (Tri-Clamp)
    • Temperature: -40 to +150°C (-40 to +302°F)
    • Pressure: -1 to +40bar (-14.5 to +580psi)
    • Sensor material: 316L
    • International explosion protection certificates, WHG
    • Measuring principle

      Vibration Liquids

    • Characteristic / Application

      Compact vibronic device with an optional pipe extension up to 2 m;

      Modular housing concept;

      Wide range of certificates

    • Specialities

      RFID TAG for easy identification,

      Plug and play functionalities

    • Supply / Communication

      10…55V / DC-PNP 3-wire

      19…253V AC or 19…55V DC / relays


    • Ambient temperature

      -40 °C…+70 °C

      (-40 °F…+158 °F)

    • Process temperature

      -40 °C…+150 °C

      (-40 °F…+302 °F)

    • Process pressure absolute / max. overpressure limit

      Vacuum…40 bar

      (Vacuum…580 psi)

    • Min. density of medium

      0.5 g/cm³

      (0.4 g/cm³ optional)

    • Main wetted parts


    • Process connection


      G3/4A, G1A, R3/4″, R1, NPT3/4, NPT1



      ASME 1″…4″

      JIS 25A…50A

    • Process connection hygienic

      Tri-Clamp ISO2852

    • Sensor length

      Up to 2 m

    • Communication

      DC-PNP 3-wire



    • Certificates / Approvals

      ATEX, IEC Ex,

    • Safety approvals

      Overfill prevention WHG

    • Design approvals

      EN 10204-3.1

      ASME B31.3

    • Components

      FTL325N Interface NAMUR

    Datasheet: Liquiphant FTL41 Technical Information

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