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Last Updates: 15/02/2021

Endress+Hauser Liquiphant FTL51B Vibronic Point level detection

The new Liquiphant FTL51 is specialized for the process industry and already developed according to IEC 61508 to be used directly in SIL2 and SIL3 applications without big efforts. You conduct periodic proof tests according to SIL or WHG simply mobile with an intuitive wizard. At the end you receive an automated documentation.
Liquiphant measures reliably and is not affected by changing media properties, flow, turbulences, gas bubbles, foam, vibrations or build-up.

  • Diagnostics: Permanent diagnostics increase the safety of the plant. You connect your device via the SmartBlue App and you easily have real-time diagnostics at hand 
  • Verification: The device can be verified without process interruption. You get verification protocols about the status of your device on your smart device
  • Monitoring: With the frequency tracking of the sensor data you have all information at hand for predictive maintenance and process optimization strategies
  • With Heartbeat Technology you recognize upcoming corrosion directly
  • Periodic proof testing is quickly and simply organized with guided wizards and at the push of the proof test button
  • No calibration is required. It is easy to start up
  • Developed for direct usage in SIL2 and SIL3 applications according to IEC 61508

Point level switch with extension tube for all liquids.

  • Process connections: Threads, flanges and hygienic process connection (Tri-Clamp)
  • Temperature: -50 to +150°C (-58 to +302°F)
  • Pressure: -1 to +100bar (-14.5 to +1450psi)
  • Sensor material: 316L, Alloy
  • International explosion protection certificates, overfill prevention WHG, SIL, marine approvals
  • Measuring principle

    Vibration Liquids

  • Characteristic / Application

    Compact vibronic device with an optional pipe extension up to 6 m;

    Modular housing concept;

    Wide range of certificates

  • Specialities

    Heartbeat Technology,

    Bluetooth® Operation and maintenance SmartBlue App,

    SIL 2/3 according to IEC 61508,

    LED Module,

    RFID TAG for easy identification,

    Second line of defense,

    Ambient temperature down to -50°C (-60°C optional),

    Temperature spacer for high process temperature,

    Plug and play functionalities

  • Supply / Communication

    19…253V AC / 2-wire

    10…55V / DC-PNP 3-wire

    9…20V DC / relays

    19…253V AC or 19…55V DC / relays

    NAMUR

    PFM

  • Ambient temperature

    -60 °C…+70 °C

    (-51 °F…+158 °F)

  • Process temperature

    -50 °C…+150 °C

    (-58 °F…+302 °F)

  • Process pressure absolute / max. overpressure limit

    Vacuum…100 bar

    Vacuum…1450 psi

  • Min. density of medium

    0.5 g/cm³

    (0.4 g/cm³ optional)

  • Main wetted parts

    316L

    Alloy

  • Process connection

    Thread:

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

    Flange:

    DN25…DN100

    ASME 1″…4″

    JIS 25A…100A

  • Process connection hygienic

    Tri-Clamp ISO2852

  • Sensor length

    Up to 6 m

  • Communication

    2-wire direct load

    DC-PNP 3-wire

    Relays

    NAMUR

    PFM

    Bluetooth® wireless technology

  • Certificates / Approvals

    ATEX, IEC Ex

  • Safety approvals

    Overfill prevention WHG

    SIL2

  • Design approvals

    EN 10204-3.1

    NACE MR0175, MR0103

    ASME B31.3

    AD2000

  • Options

    Heavy duty stainless steel housing

  • Components

    FTL325P/FTL375P Interface PFM

    FTL325N Interface NAMUR

Datasheet: Liquiphant FTL51B Technical Information

Liquiphant Density and Density Computer FML621 Technical Information

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