Last Updates: 16/08/2020

E&H Liquiphant FTL51H Vibronic Point level detection

Part Number: FTL51H Categories: ,
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  • Liquiphant FTL51H is a point level switch with extension tube for use in hazardous areas with all international certificates. Especially useable in the food and life sciences industry with hygienic certificates (3-A, EHEDG, ASME BPE). FTL51H offers functional safety SIL2/SIL3. Reliable measurement values, not affected by: changing media properties, flow, turbulences, gas bubbles, foam, vibrations or build-up.

    • International hygienic certificates (3-A, EHEDG, ASME BPE). FDA-conformed material
    • Electro-polished and passivated surface finishing
    • International explosion protection certificates and overfill prevention certificate (WHG)
    • No mechanically moving parts: no maintenance, no wear, long operating life.Monitoring of fork for damage: guaranteed function
    • Use in safety systems requiring functional safety to SIL2/SIL3 in accordance with IEC 61508/IEC 61511-1
    • No calibration required, easy to start up
    • Variety of standardized hygienic process connections for hygiene sensitive applications

    Point level switch for all liquids with electro-polished surface finishing.

    • Process connections: Threads, flanges and hygienic process connection (Tri-Clamp, dairy coupling, aseptic, DRD, SMS, Varivent)
    • Temperature: -50 to +150°C (-58 to +302°F)
    • Pressure: -1 to +64bar (-14.5 to +928psi)
    • Sensor material: 316L
    • International explosion protection certificates, overfill prevention WHG, SIL, hygienic certificates, marine approvals
    • Measuring principle

      Vibration Liquids

    • Characteristic / Application

      Liquiphant M Density
      with Density Computer FML621
      Temperature and pressure measurement

      Modular & completely welded housing concept

      Focus Food & Pharma

      Surface up to 0.3 µ

      Variable sensor length up to 3 m (6 m option)

    • Supply / Communication

      Transmitter power supply (MUS)

    • Ambient temperature


      -50…60°C for hazardous applications

    • Process temperature

      0…80°C (validity of accuracy data)

      -50…0°C / 80…150°C (with reduced technical data)

    • Process pressure absolute

      0…25 bar

      >25…64 bar (with reduced technical data)

    • Wetted parts


    • Hygienic


    • Sensor length

      115…3000 mm

      >3000…6000 mm (Option)

    • Output


    • Certificates / Approvals


    • Specialities

      Commissioning with ReadWin2000

    • Components

      Density Computer FML621

    • Other approvals and certificates

      SIL2/ SIL3

    Datasheet: Liquiphant M FTL50, FTL51, FTL50H, FTL51H Technical Information

    Liquiphant M FTL51C Technical Information

    Weld-in adapter, process adapter and flanges

    Technical Information Liquiphant M Density and Density Computer FML621

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