Last Updates: 16/08/2020

E&H Liquiphant FTL85 Vibronic Point level detection

Part Number: FTL85 Categories: ,
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  • Liquiphant FTL85 is a coated point level switch for use in hazardous areas with all international certificates. FailSafe overfill prevention in applications with functional safety up to SIL3 with one device. With high corrosion-resistant coating made of enamel, ECTFE and various PFA materials. Reliable measurement values, not affected by: changing media properties, flow, turbulences, gas bubbles, foam, vibrations or build-up.

    • Use in safety systems requiring functional safety to SIL3 in accordance with IEC 61508 Ed.2.0/ IEC 61511-1/ISA 84-1 and DIN EN ISO 13849
    • Proof test: proof testing interval up to 12 years, Slave devices tested at the press of a button
    • Permanent self-monitoring/internal redundancy
    • 4-20mA interface (acc. to NAMUR NE 06/NE 43): easy integration via the switching unit (Nivotester FailSafe FTL825) with a two-channel output (safety contacts) and locking function or direct integration into a safety PLC
    • No adjustment: quick, low-cost startup
    • No mechanically moving parts: no maintenance, no wear, long operating life
    • Monitoring of fork for damage, corrosion, buildup and mechanical blocking

    Point level switch for liquids up to SIL3.

    • Process connections: Threads and flanges
    • Temperature: -50 to +150°C (-76 to +300°F)
    • Pressure: -1 to +40bar (-14.5 to +580psi)
    • Sensor length: Extension pipe up to 3m (9.8ft)
    • Sensor material: Enamel, ECTFE and various PFA materials
    • International explosion protection certificates, overfill prevention WHG, SIL
    • Measuring principle

      Vibration Liquids

    • Characteristic / Application

      Coated point level switch for MIN and MAX safety applications up to SIL3,
      Dual Sealing/ Second line of defense,
      Modular housing concept

    • Specialities

      Outstanding features: 
      – permanent LIVE signal monitors function safety

      – failsafe design and

      – high availability of the measuring values

    • Supply / Communication

      2-wire 4…20 mA

    • Ambient temperature


    • Process temperature


    • Process pressure absolute / max. overpressure limit

      Vacuum…40 bar
      (580 psi)

    • Min. density of medium

      Density from 0.4 g/cm3
      (0.4 SGU)

    • Main wetted parts

      With high corrosion-resistant coating made of enamel, ECTFE and various PFA materials

    • Process connection



      ASME 1″…4″,

      JIS 10K…20K

    • Sensor length

      Extension pipe up to 3 m (9.8 ft)

    • Communication

      2-wire 4…20 mA

    • Certificates / Approvals


    • Safety approvals

      Overfill prevention WHG

      Leakage Detection


    • Options

      AlloyC Material

      PWIS free

      Pressure tight feed through

      Weather protection

    • Components

      Nivotester FTL825, Transmitter

    Datasheet : Liquiphant FailSafe FTL80, FTL81, FTL85 Technical Information

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