Capacitance
Point level detection
Liquicap FTI51

Liquicap FTI51 aluminium housing ©Endress+Hauser
Liquicap FTI51 plastic housing ©Endress+Hauser
Liquicap FTI51 build-up compensation ©Endress+Hauser
Liquicap FTI51 hygienic housing ©Endress+Hauser

Capacitance point level detection with active build-up compensation

  • Liquicap FTI51 aluminium housing
  • Liquicap FTI51 plastic housing
  • Liquicap FTI51 build-up compensation
  • Liquicap FTI51 hygienic housing

For liquids that are highly viscous and tend to form build-up

Liquicap FTI51 is a rod probe for point level detection of liquids that are highly viscous and tend to form build-up. Also used for detection of interface and foam of conductive liquids. Due to its active build-up compensation FTI51 offers maximum reliability and is suited for a wide range of applications thanks to international certificates. The parts in contact with the process are made of corrosion-resistant and FDA-listed materials - this guarantees a high safety standard.

Additional components

  • Benefits

    • Cost savings thanks to easy and fast commissioning as calibration takes place at the press of a button

    • Reliable and safe measurement due to active build-up compensation

    • Reliable and universal application thanks to wide range of certificates and approvals

    • ...

  • Field of application

    For liquids that tend to form build-up. Interface detection of different liquids. Two-point control (pump control) with just one process connection. Foam detection of conductive liquids.

    • Process connections: Flanges, threads, special hygienic process...

Features and specifications

Back

Details

  • Measuring principle

    Capacitive Liquid

  • Characteristic / Application

    Capacitive rod probe

  • Specialities

    Interface detection
    Foam detection

  • Ambient temperature

    -50 °C ... +70 °C

    (-58 °F ... +158 °F)

    With separate housing:
    -50 °C ... +120 °C

    (-58 °F ... +248°F)

  • Process temperature

    -80 °C ... +200 °C
    (-112 °F ... +392 °F)

  • Process pressure absolute / max. overpressure limit

    Vacuum ... 100 bar
    (Vacuum ... 1450 psi)

  • Main wetted parts

    Insulation material: PTFE, PFA
    316L

  • Process connection

    G 1/2 ... 1 1/2
    NPT 1/2 ... 1 1/2
    Flange from DN25.../ASME 1".../JIS 10K...

  • Process connection hygienic

    Tri-Clamp ISO2852 gap free plated

    Dairy coupling

    Flush mount

  • Sensor length

    Total length of probe: max 6 m (20 ft)

  • Communication

    2- wire 19-253 VAC

    3-wire
    PFM
    Relay DPDT
    DC-PNP
    8/16 mA

  • Certificates / Approvals

    ATEX, FM, CSA, CSA C/US, IEC Ex, TIIS, INMETRO, NEPSI, EAC

  • Safety approvals

    Overfill prevention WHG

    SIL

  • Design approvals

    EN 10204-3.1

    NACE MR0175

  • Marine approval

    GL/ ABS/ DNV

  • Options

    Inactive length

    Fully isolated active build-up compensation

    Ground tube

    Separate housing

  • Components

    Transmitter
    PFM: FTC325, FTC625, FTC470Z, FTC471Z
    3-wire:
    FTC325

  • Application limits

    Notice the pressure and temperature derating.
    Notice for non conductive medium the DK.

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 20
    • Nr 20 Order code 52002698

      Cover F13 Ex Alu, gasket

      O-ring EPDM. Usage: housing F13, aluminium, Ex d.

    • Nr 20 Order code 52002699

      Cover F17 Alu, gasket

      O-ring EPDM. Usage: housing F17, aluminium.

    • Nr 20 Order code 52006903

      Cover T13 Alu, gasket EPDM

      O-ring EPDM. Usage: housing T13, aluminium.

    • Nr 20 Order code 52025606

      Cover F16 grey, PBTP, gasket

      Gasket EPDM. Usage: housing F16 Polyester, FMI21, FMI51/FMI52, FMU30, FTI51/FTI52/ FTI55/FTI56, FTI77, FTL50/FTL51/FTL51C/ FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTW31/FTW32.

    • Nr 20 Order code 52027000

      Cover F15 316L, gasket

      Gasket 67.5x2.9x1.5, VMQ/PTFE. Usage: housing F15, stainless steel.

  • 25
    • Nr 25 Order code 52007103

      Cover T13 "Terminal" Alu, gasket EPDM

      O-ring EPDM. Usage: terminal compartment, housing T13, aluminium.

  • 21
    • Nr 21 Order code 52004137

      O-ring 71.0x3.55 EPDM, 5 pieces

      Usage: cover, housing F16, Polyester.

    • Nr 21 Order code 52004277

      Sealing set EPDM,cover F13/17/18/27,10pc

      Consists of: 10x O-ring 70.0x3.0 EPDM.

    • Nr 21 Order code 52008495

      Sealing set EPDM 73.0x3.0, 10 pieces

      Usage: cover.

    • Nr 21 Order code 52028179

      Gasket 67.5x2.9x1.5 VMQ/PTFE, 5 pieces

      Profile gasket cover. Usage: housing F15 stainless steel.

    • Order code 71084478

      Cable F15/F16/F17 separate, FTIxx

      Connection sensor > separate housing. Length: 6m. Housing adapter, cable gland. Usage: separate housing, FTI51/FTI52/ FTI55/FTI56, FTI77.

  • 30
    • Nr 30 Order code 71025814

      Electronics FEI54, relay DPDT, AC/DC

      19-253VAC, 19-55VDC. Usage: FTI51/FTI52/FTI55/FTI56, FTI77.

    • Nr 30 Order code 71025815

      Electronics FEI55, 8/16mA, 11-36VDC

      Usage: FTI51/FTI52/FTI55/FTI56, FTI77.

    • Nr 30 Order code 71025816

      Electronics FEI57S, 2-wire PFM

      Usage: FTI51/FTI52/FTI55/FTI56, FTI77.

    • Nr 30 Order code 71025819

      Electronics FEI52, PNP, 10-55VDC

      3-wire PNP. Usage: FTI51/FTI52/FTI55/FTI56, FTI77.

    • Nr 30 Order code 71025820

      Electronics FEI53, 3-12V, signal

      3-wire. Usage: FTI51/FTI52/FTI55/FTI56, FTI77.

    • Nr 30 Order code 71042887

      Electronics FEI51, 19-253VAC

      2-wire. Usage: FTI51/FTI52/FTI55/FTI56, FTI77.

    • Nr 30 Order code 71100895

      Electronics FEI58 Namur

      8/16mA, 11-36VDC. Usage: FTI51/FTI52/FTI55/FTI56, FTI77.

  • 35
    • Nr 35 Order code 71020804

      Terminal module 2-pole EEx d, RFI filter

      Usage: FMI51/FMI52, FTI51/FTI52/FTI55/FTI56, FTI77.

    • Order code 71040497

      Weather protection cover F13/F17/F18/F27

      Usage: FMI51/FMI52, FTI51/FTI52/FTI55/FTI56, FTI77, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTM20/FTM21, FTM50/FTM51/FTM52.

    • Order code 71127760

      Protection cover F16 housing

      Usage: FDR56, FMI21, FMI51/FMI52, FQR56, FTI51/FTI52/FTI55/FTI56, FTI77, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTM20/FTM21, FTM50/FTM51/FTM52, FTR20, FTW31/FTW32/FTW33.

  • 57
    • Nr 57 Order code 71194296

      Sealing ring G1/2, 21x26, FA, 5 pcs.

      Process gasket DIN7603-A. Usage: process connection, FMI51/FTI51, FTI55, FTL31/FTL33, FTW23/FTW33.

    • Nr 57 Order code 71185027

      Sealing ring G3/4, 27x32, FA, 5 pcs.

      Process gasket DIN7603-A. Usage: process connection, FMI51/FMI52, FTI51/FTI52, FTI55, FTL31/FTL33, FTW23/FTW33, FTL50/FTL50H/FTL51, FTL80/FTL81, FMP50/FMP51/FMP56, FMR62.

    • Nr 57 Order code 52014048

      Sealing ring G1, 33x39 FA, 5 pcs.

      Process gasket DIN7603-A. Usage: process connection, FMI51/FMI52, FTI51/FTI52, FTI55, FTL31/FTL33, FTW23/FTW33, FTL50/FTL50H/FTL51/FTL51H, FTL80/FTL81, Sliding sleeve G1 316L (52003663), 316L, 3.1 (52011880), AlloyC22, 3.1 (71118691), FTL51, FTL71, FTL81, AlloyC22 (52003664), FTL51, FTL71.

    • Nr 57 Order code 52014047

      Sealing ring G1-1/2, 48x55 FA, 5 pcs.

      Process gasket DIN7603-A. Usage: process connection, FMI21, FMI51/FMI52, FTI51/FTI52, FTI55, FTW31/FTW32, FMP51/FMP57, FMR60/FMR62/FMR67, Sliding sleeve G1-1/2 316L (52003665), 316L,3.1 (52011882), FTL51, FTL71,FTL81, AlloyC4 (52003666), FTL51, FTL71.

    • Order code

      Weld-in adapter and correspondig sealings

    • Order code 214880-0002

      Weld-in adapter UNI D65, 316L

      Flush mount process connection. Core hole: 65mm. Material: 316L. Seal: silicone profile gasket. FDA, EHEDG, 3-A compliant. Usage: FMB50, FMB70, FMD71/FMD78, FMI51/FMI52, FMP52, FTI51/FTI52, PMC51, PMP23, PMP55, PMP75.

    • Order code 52010174

      Weld-in adapter UNI D65, 316L, 3.1

      Flush mount process connection. Core hole: 65mm. Material: 316L. Inspection cert. EN10204-3.1 material. Seal: silicone profile gasket. FDA, EHEDG, 3-A compliant. Usage: FMB50, FMB70, FMD71/FMD78, FMI51/FMI52, FMP52, FTI51/FTI52, PMC51, PMP23, PMP55, PMP75.

    • Order code 52006262

      Weld-in adapter UNI D85, 316L

      Flush mount process connection. Core hole: 85mm. Material: 316L. Seal: silicone profile gasket. Usage: FMB50, FMB70, FMD71/FMD78, FMI51/FMI52, FMP52, FTI51/FTI52 PMC51, PMP23, PMP55, PMP75.

    • Order code 52010173

      Weld-in adapter UNI D85, 316L, 3.1

      Flush mount process connection. Core hole: 85mm. Material: 316L. Inspection cert. EN10204-3.1 material. Seal: silicone profile gasket. FDA, EHEDG, 3-A compliant. Usage: FMB50, FMB70, FMD71/FMD78, FMI51/FMI52, FMP52, FTI51/FTI52, PMC51, PMP23, PMP55, PMP75.

    • Order code 52018765

      Weld-in adapter G3/4 d=50, 316L, 3.1

      Flush mount process connection Material: 316L. Inspection cert. EN10204-3.1 material. Seal: silicone O-ring. FDA, EHEDG, 3-A compliant. Usage: FMI51, FTI51, FTL20/FTL20H, FTL31/FTL33, FTW23/FTW33, 11371. Usage: TMR35.

    • Order code 52001051

      Weld-in adapter G1, d=60, 316L

      Flush mount process connection. Material: 316L. Seal: silicone O-ring. FDA, EHEDG, 3-A compliant. Usage: FMI51/FMI52, FTI51/FTI52, FTL20/FTL20H, FTL31/FTL33, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL80/FTL81, FTL260, FTW23, FTW33, PMP23, PMP51, PMP135, PTP33B/PTP35. Usage: TM401/TM411, TMR35.

    • Order code 52011896

      Weld-in adapter G1, d=60, 316L, 3.1

      Flush mount process connection. Material: 316L. Inspection cert. EN10204-3.1 material. Seal: silicone O-ring. FDA, EHEDG, 3-A compliant. Usage: FMI51/FMI52, FTI51/FTI52, FTL20H, FTL31/FTL33, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL80/FTL81, FTL260, FTW23, FTW33, PMP23, PMP51, PMP135, PTP33B/PTP35. Usage: TM401/TM411, TMR35.

    • Order code 52021717

      O-ring 14.9x2.7 VMQ, FDA, 5 pcs.

      Material: silicone VMQ 75. Usage: Weld-in adapter G3/4, 316L, (71258355) vesselmounting, (71258357) pipe-mounting, flush mount, FTL31/FTL33, FTW23/FTW33, QMW43, Weld-in adapter G3/4, 316L, 3.1, (52018765) vesselmounting, (52028295) pipe-mounting, flush mount, FMI51, FTI51, FTL31/FTL33, FTW23/FTW33, QMW43.

    • Order code 71086117

      O-ring 14.9x2.7 VMQ, FDA, USP, 3 pcs.

      Material: silicone VMQ 80. USP Class VI. Usage: Weld-in adapter G3/4, 316L, (71258355) vesselmounting, (71258357) pipe-mounting, flush mount, FTL31/FTL33, FTW23/FTW33, QMW43, Weld-in adapter G3/4, 316L, 3.1, (52018765) vesselmounting, (52028295) pipe-mounting, flush mount, FMI51, FTI51, FTL31/FTL33, FTW23/FTW33, QMW43.

    • Order code 52014472

      O-ring 28.17x3.53 VMQ, FDA, 5 pcs.

      Material: silicone VMQ 70. Usage: weld-in adapter G1, 316L, (52001051) flush mount, FMI51/FMI52, FTI51/FTI52, FTL31/FTL33, FTW23/FTW33, PMP23, PMP51, PTP33B, FTL50/FTL50H/FTL51/FTL51H, FTL80/FTL81, QMW43, Weld-in adapter G1, 316L, 3.1, (52011896) flush mount, FMI51/FMI52, FTI51/FTI52, FTL31/FTL33, FTW23/FTW33, PMP23, PMP51, PTP33B, FTL50/FTL50H/FTL51/FTL51H, FTL80/FTL81,QMW43, sliding sleeve FTM21.

    • Order code 71086102

      O-ring 28.17x3.53 VMQ, FDA, USP, 3 pcs.

      Material: silicone VMQ. USP Class VI. Usage: weld-in adapter G1, 316L, (52001051) flush mount, FMI51/FMI52, FTI51/FTI52, FTL31/FTL33, FTW23/FTW33, PMP23, PMP51, PTP33B, FTL50/FTL50H/FTL51/FTL51H, FTL80/FTL81, QMW43, Weld-in adapter G1, 316L, 3.1, (52011896) flush mount, FMI51/FMI52, FTI51/FTI52, FTL31/FTL33, FTW23/FTW33, PMP23, PMP51, PTP33B, FTL50/FTL50H/FTL51/FTL51H, FTL80/FTL81,QMW43, sliding sleeve FTM21.

    • Order code 71140668

      O-ring 28.17x3.53 EPDM, FDA, USP, 3 pcs.

      Material: EPDM 70. USP Class VI, 3-A. Usage: weld-in adapter G1, 316L, (52001051) flush mount, FMI51/FMI52, FTI51/FTI52, FTL31/FTL33, FTW23/FTW33, PMP23, PMP51, PTP33B, FTL50/FTL50H/FTL51/FTL51H, FTL80/FTL81, QMW43, Weld-in adapter G1, 316L, 3.1, (52011896) flush mounted, FMI51/FMI52, FTI51/FTI52, FTL31/FTL33, FTW23/FTW33, PMP23, PMP51, PTP33B, FTL50/FTL50H/FTL51/FTL51H, FTL80/FTL81,QMW43, sliding sleeve FTM21.

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