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The new Liquiphant FTL51 - digital, simple and safe

The new Liquiphant FTL51 with bluetooth module ©Endress+Hauser

The new Liquiphant FTL51 with Bluetooth® Technology

Preventive maintenance is possible with corrosion detection via Heartbeat Technology

Liquiphant with permanent function check is the safe choice for point level detection in liquids

Liquiphant FTL51B with LED mdoule ©Endress+Hauser

The new Liquiphant FTL51 with LED module

Liquiphant FTL51B with LED mdoule ©Endress+Hauser
Liquiphant FTL51B variants ©Endress+Hauser

A large selection of product variants for different applications is available

Liquiphant FTL51B with bluetooth module ©Endress+Hauser
  • The new Liquiphant FTL51 with bluetooth module
  • Liquiphant FTL51B with LED mdoule
  • Liquiphant FTL51B with LED mdoule
  • Liquiphant FTL51B variants
  • Liquiphant FTL51B with bluetooth module

IIoT ready point level switch for all liquid media

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.

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Handle your core processes easily

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Optimize your processes with innovative technologies

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  • Specs at a glance

    • 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)

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  • Benefits

    • 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...

  • Field of application

    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

    • ...

Features and specifications

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Details

  • Measuring principle

    Vibration Liquids

  • Characteristic / Application

    Compact vibronic device with an optional pipe extension up to 6 m (19.7 ft);

    Modular housing concept;

    Wide range of certificates

  • Specialities

    Heartbeat Technology,

    Bluetooth® Operation and maintenance SmartBlue App,

    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 with relay DPDT,

    19...253V AC or 19...55V DC with relay DPDT,

    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

    Threads:

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


    Flanges:

    DN25...DN100

    ASME 1"...4"

    JIS 25A...100A

  • Process connection hygienic

    Tri-Clamp ISO2852

  • Sensor length

    Up to 6 m (19.7 ft)

  • Communication

    2-wire direct load

    DC-PNP 3-wire

    Relays

    NAMUR

    PFM

    Bluetooth® wireless technology

  • Certificates / Approvals

    ATEX, IEC Ex, CSA, NEPSI, KC, JPN Ex, INMETRO

  • Safety approvals

    Overfill protection WHG

    SIL2/ SIL 3 according to IEC 61508

  • Design approvals

    EN 10204-3.1

    NACE MR0175, MR0103

    ASME B31.3 Process Piping

    AD2000

    CRN

  • Marine approval

    ABS/ LR/ DNV/ GL

  • Options

    Heavy duty stainless steel housing

  • Components

    FTL325P Interface PFM

    FTL325N Interface NAMUR

  • Measuring principle

    Vibration Density

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 30
    • Nr 30 Order code 71432518

      Electronics FEL61, 19-253VAC

      2-wire incl. test button. Usage: FTL51B.

    • Nr 30 Order code 71432519

      Electronics FEL62, PNP10-55VDC

      3-wire incl. test button. Usage: FTL51B.

    • Nr 30 Order code 71432549

      Electronics FEL64 DC, relay DPDT

      9-20VDC, contact 253V/6A incl. test button. Usage: FTL51B.

    • Nr 30 Order code 71432570

      Electronics FEL64, relay DPDT

      19-253VAC/19-55VDC, contact 253V/6A incl. test button. Usage: FTL51B.

    • Nr 30 Order code 71432573

      Electronics FEL67 PFM

      2-wire PFM incl. test button. Usage: FTL51B.

    • Nr 30 Order code 71432575

      Electronics FEI58 NAMUR

      2-wire, NAMUR H-L signal incl. test button. Usage: FTL51B.

    • Nr 30 Order code 71432577

      Electronics FEL60D,density/concentration

      Usage: FTL51B.

  • 20
    • Nr 20 Order code 71435116

      Cover, Alu, closed

      Sealing ring, HNBR. Usage: FMG50, FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.

    • Nr 20 Order code 71435118

      Cover, Alu, closed, Ex d

      Sealing ring, HNBR. Usage: FMG50, FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.

    • Nr 20 Order code 71435122

      Cover, 316L, closed, Ex d

      Sealing ring, HNBR. Usage: FMG50, FTL51B, PMD75B/PMD78B, PMC71B, PMP71B.

    • Nr 20 Order code 71435126

      Cover, plastic, closed

      Sealing ring, EPDM. Usage: FTL41, FTL51B.

    • Nr 20 Order code 71435127

      Cover, plastic, BT/LED module

      Sealing ring, EPDM. For Bluetooth/LED module. Usage: FTL51B.

    • Nr 20 Order code 71435128

      Cover, 316L, connect. compartment, Ex d

      Sealing ring, HNBR. Usage: FMG50, FTL51B, PMD75B/PMD78B, PMC71B, PMP71B.

  • 25
    • Nr 25 Order code 71435129

      Cover, Alu, sight window, BT/LED module

      Sealing ring, HNBR. Material sight window: plastic. For Bluetooth/LED module. Usage: FTL51B.

    • Nr 25 Order code 71435130

      Cover, Alu, sight window, Ex d, BT/LED

      Sealing ring, HNBR. Material sight window: glass. For Bluetooth/LED module. Usage: FTL51B.

  • 21
    • Nr 21 Order code 71435131

      Sealing set EPDM, 5 pieces

      Usage: FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.

    • Nr 21 Order code 71435132

      Sealing set HNBR, -40oC, 5 pieces

      Usage: FMG50, FTL41, FTL51B.

    • Nr 21 Order code 71435134

      Sealing set FVMQ, -60oC, 5 pieces

      Usage: FTL51B.

  • 15
    • Nr 15 Order code 71435135

      Cable gland M20, plastic

      Usage: FMG50, FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.

    • Nr 15 Order code 71435136

      Cable gland M20, brass nickel plated

      Usage: FMG50, FTL41, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.

    • Nr 15 Order code 71435137

      Cable gland M20, 316L

      Usage: FMG50, FTL51B, PMC51B, PMC71B, PMD55B, PMD75B/PMD78B, PMP51B, PMP71B.

  • 40
    • Nr 40 Order code 71437381

      Bluetooth module VU121 with battery

      Usage: FEL68 NAMUR output, FTL51B.

    • Nr 40 Order code 71437383

      Bluetooth module VU121 w/o battery

      Excl. battery. Usage: FTL51B.

    • Order code 71437382

      LED module VU120, FTL51B

      Usage: FTL51B.

    • Order code 71437508

      Test magnet, FTL51B

      Usage: FTL51B.

    • Order code 71438291

      Weather protection cover, plastic, XW111

      Usage: FTL41, FTL51B, PMC51B, PMD55B, PMP51B.

    • Order code 52003663

      Sliding sleeve 100bar G1, 316L

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52011880

      Sliding sleeve 100bar G1, 316L, 3.1

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52003665

      Sliding sleeve 100bar G1-1/2, 316L

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52011882

      Sliding sleeve 100bar G1-1/2, 316L, 3.1

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52003667

      Sliding sleeve 100bar NPT1, 316L

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52011881

      Sliding sleeve 100bar NPT1, 316L, 3.1

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52003669

      Sliding sleeve 100bar NPT1-1/2, 316L

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52011883

      Sliding sleeve 100bar NPT1-1/2, 316L,3.1

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52003978

      Sliding sleeve G1, 316L

      Switch point adjustment pressureless condition. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52011888

      Sliding sleeve G1, 316L, 3.1

      Switch point adjustment pressureless condition. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 71118691

      Sliding sleeve 100bar G1, AlloyC22, 3.1

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: AlloyC22. Inspection cert. EN10204-3.1 material (AlloyC22 wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52003980

      Sliding sleeve G1-1/2, 316L

      Switch point adjustment pressureless condition. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52011890

      Sliding sleeve G1-1/2, 316L, 3.1

      Switch point adjustment pressureless condition. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 71118693

      Sliding sleeve 100barG1-1/2,AlloyC22,3.1

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: AlloyC22. Inspection cert. EN10204-3.1 material (AlloyC22 wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52003979

      Sliding sleeve NPT1, 316L

      Switch point adjustment pressureless condition. Material: 316L. Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52011889

      Sliding sleeve NPT1, 316L, 3.1

      Switch point adjustment pressureless condition. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 71118694

      Sliding sleeve 100bar NPT1, AlloyC22,3.1

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: AlloyC22. Inspection cert. EN10204-3.1 material (AlloyC22 wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 52011891

      Sliding sleeve NPT1-1/2, 316L, 3.1

      Switch point adjustment pressureless condition. Material: 316L. Inspection cert. EN10204-3.1 material (316L wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

    • Order code 71118695

      Sliding slee.100barNPT1-1/2,AlloyC22,3.1

      Switch point adjustment. Max 100bar process pressure. :: Disassembly protect. under pressure. Material: AlloyC22. Inspection cert. EN10204-3.1 material (AlloyC22 wetted parts). Usage: FTL41, FTL51, FTL51B, FTL71, FTL81.

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