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Hydrostatic
Level measurement
Deltapilot FMB51

Deltapilot FMB51 rod version ©Endress+Hauser

Pressure measuring principle

Deltapilot FMB51 ©Endress+Hauser
  • Deltapilot FMB51 rod version
  • Deltapilot FMB51

Pressure sensor with the Contite measuring cell for hydrostatic level measurement

The Deltapilot FMB51 is a rod version with a fixed process connection. This device with the Contite measuring cell and is typically used in the environmental industry. It is made for level measurement in liquid and paste-like media in open or closed containers and is unaffected by possible foam formation. For use in SIL2 safety systems.

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Variable

  • Specs at a glance

    • Accuracy

      Standard 0.2%
      Optional 0.1%

    • Process temperature

      -10°C...85°C
      (14°F…212°F)

    • Pressure measuring range

      100 mbar...10 bar
      (1.5 psi...150 psi)

    • Process pressure absolute / max. overpressure limit

      40 bar (600 psi)

    • Main wetted parts

      Alloy C
      316L
      optional coating AuPt

    • Max. measurement distance

      100m (328ft) H2O

    • Material process membrane

      316L, AlloyC
      Gold-Rhodium

    • Measuring cell

      100 mbar...10 bar
      (1.5 psi...150 psi)

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Additional components

  • Benefits

    • Hermetically sealed Contite measuring cell with condensate-resistance, high reference accuracy: ±0.2%, optionally ±0.1% and minimum temperature effects

    • Modular concept for easy replacement of display or electronics

    • Seamless and independent system...

  • Field of application

    For level measurement.

    • Process connections: Threads and flanges

    • Temperature: -10 to +85°C (14°F…185° F)

    • Measuring range: 0.1 to 10bar / 100m H2O (1.5 to 150psi / 300ft H2O)

    • Accuracy: ±0.2%, ±0.1% (option)

    • International explosion protection...

Features and specifications

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Details

  • Measuring principle

    Hydrostatic pressure

  • Characteristic

    Pressure transmitter for hydrostatic level measurement with flush mounted metallic Contite measuring cell:

    Hermetically sealed, condensate-resistant, climatic-proofed and with lowest temperature influences

    Rod version

  • Supply voltage

    4...20 mA HART

    10,5...45 VDC (Non Ex):

    Ex ia: 10,5...30 VDC

    PROFIBUS PA:

    9...32 VDC (Non Ex)

    FOUNDATION Fieldbus:

    9...32 VDC (Non Ex)

  • Reference Accuracy

    Standard 0.2 %
    Optional 0.1 %

  • Long term stability

    0.05 % of URL/year

  • Process temperature

    -10°C...85°C
    (14°F…212°F)

  • Ambient temperature

    -40°C...85°C
    (-40°F...185°F)

  • Measuring cell

    100 mbar...10 bar
    (1.5 psi...150 psi)

  • Smallest calibratable span

    10 mbar (1.45 psi)

  • Vacuum resistance

    0 mbar abs.

  • Max. Turn down

    100:1

  • Max. overpressure limit

    40 bar (600 psi)

  • Process connection

    Thread:

    G1 1/2, MNPT1 1/2

    Flange:

    DN40...DN100,

    ASME 2"...4",

    JIS 10K

  • Material process membrane

    316L, AlloyC

    Gold-Rhodium

  • Material gasket

    Viton, EPDM, Kalrez, none

  • Fill fluid

    Inert oil,

    Synthetic oil

  • Material housing

    316L, Die-cast aluminum

  • Communication

    4...20 mA HART

    PROFIBUS PA

    FOUNDATION Fieldbus

  • Certificates / Approvals

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

  • Safety approvals

    Overfill protection WHG

    SIL

  • Design approvals

    EN10204-3.1

    NACE MR0175

  • Drinking water approvals

    KTW/ NSF

  • Specialities

    Modularity to differential pressure and process pressure devices (replacable display, universal electronics)

    Diagnostic functions

  • Measuring principle

    Hydrostatic

  • Characteristic / Application

    Pressure transmitter for hydrostatic level measurement with flush mounted metallic Contite measuring cell:

    Hermetically sealed, condensate-resistant and climatic-proofed

    Rod version

  • Specialities

    Modularity to differential pressure and process pressure devices (replacable display, universal electronics)

    diagnostic functions

    Hermetically sealed Contite measuring cell (condensate-resistant and climatic-proofed)

  • Supply / Communication

    4...20mA HART:
    10,5...45V DC
    Ex ia: 10,5...30V DC
    PROFIBUS PA /
    FOUNDATION Fieldbus:
    9...32V DC (Non Ex)

  • Accuracy

    Standard 0.2%
    Optional 0.1%

  • Long term stability

    0.05 % of URL/ year

  • Ambient temperature

    -40°C...85°C
    (-40°F...185°F)

  • Process temperature

    -10°C...85°C
    (14°F…212°F)

  • Process pressure absolute / max. overpressure limit

    40 bar (600 psi)

  • Pressure measuring range

    100 mbar...10 bar
    (1.5 psi...150 psi)

  • Main wetted parts

    Alloy C
    316L
    optional coating AuPt

  • Process connection

    Thread:

    G1 1/2, MNPT1 1/2

    Flange:

    DN40...DN100,

    ASME 2"...4",

    JIS 10K

  • Max. measurement distance

    100m (328ft) H2O

  • Communication

    4...20 mA HART

    PROFIBUS PA

    FOUNDATION Fieldbus

  • Certificates / Approvals

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

  • Safety approvals

    Overfill protection WHG

    SIL

  • Design approvals

    EN 10204-3.1

    NACE MR0175

  • Drinking water approvals

    KTW/ NSF

  • Options

    Separate housing
    Initial device settings
    Overvoltage protection

  • Application limits

    If pressurized, usage of two pressure transmitters to measure the differential pressure (electronic dP)
    Observe ratio head pressure : hydrostatic pressure

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 19
    • Nr 19 Order code 71111056

      Housing filter VA,EPDM,F15/31/T14/17,1pc

      Consists of: vent screw 304. Pressure compensation filter. O-ring EPDM, protection lid. Usage: housing T14, FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75. Housing F31, FMB50/FMB51/FMB52/FMB53, PMC51, PMP51/PMP55. Housing F15 w/o B1,BB,BD,BF,GA,ID,I1, FMB50/FMB51/FMB52/FMB53, PMC51, PMP51/PMP55.

    • Nr 19 Order code 71219639

      Housing filter VA, VMQ, F15, T17, 1 pc.

      Consists of: vent screw 304. Pressure compensation filter. O-ring VMQ, protection lid. Usage: housing T17, FMB70, FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/ PMP75. Housing F15 bei B1,BB,BD,BF,GA,ID,I1, FMB50/FMB51/FMB52/FMB53, PMC51, PMP51/PMP55.

  • 20
    • Nr 20 Order code 52027000

      Cover F15 316L, gasket

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

    • Nr 20 Order code 52027002

      Cover F15 316L, sight glass, gasket

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

    • Nr 20 Order code 52028207

      Cover F15, sight glass PC, 316L, gasket

      Sight glass: Polycarbonate PC. Gasket 67.5x2.9x1.5, VMQ/PTFE. Usage: housing F15 stainless steel, FMB50/FMB51/FMB52/FMB53,PMC51, PMP51/PMP55, not for EEx ia (intrinsically safe).

    • Nr 20 Order code 52028267

      Cover F15 316L,claw,sight glass,gasket

      Sight glass glass. Cover claw. Gasket 67.5x2.9x1.5, VMQ/PTFE. Usage: dust Ex version, housing F15 stainless steel, FMB50/FMB51/FMB52/FMB53. PMC51, PMP51/PMP55.

    • Nr 20 Order code 52028268

      Cover F15 316L, claw, gasket

      Cover claw. Gasket 67.5x2.9x1.5, VMQ/PTFE. Usage: housing F15 stainless steel, FMB50/FMB51/FMB52/FMB53, PMC51, PMP51/PMP55.

    • Nr 20 Order code 71092705

      Cover F30/31/34 Alu, gasket

      Material: aluminium. O-ring: EPDM. Not for Ex d/XP. Usage: FMB50/FMB51/FMB52/FMB53, FTC260/FTC262, PMC51, PMD55, PMP51/PMP55.

    • Nr 20 Order code 71092707

      Cover F30/31/34 Alu, sight glass, gasket

      Material: aluminium. Sight glass: mineral glass. O-ring: EPDM. Not for Ex d/XP. Usage: FMB50/FMB51/FMB52/FMB53, FTC260/FTC262, PMC51, PMD55, PMP51/PMP55.

  • 21
    • Nr 21 Order code 52020429

      Sealing EPDM, F30/31/34, T14/15, 5 pcs.

      Consists of: 5x O-ring 75.87x2.62, EPDM, PTFE, FDA. Usage: housing F30/F31/F34, T14/T15.

    • Nr 21 Order code 52028179

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

      Profile gasket cover. Usage: housing F15 stainless steel.

  • 15
    • Nr 15 Order code 52002449

      Cable gland M20 PA, o-ring VMQ

      Consists of: cable gland M20, plastic. O-ring 18.72 x 2.62 VMQ. Usage: Housing F15, FMB50/FMB51/FMB52/FMB53, PMC51, PMP51/PMP55.

    • Nr 15 Order code 52005984

      Plug 3p M12/M20, gasket

      Consists of: terminal block, gasket. Usage: FMB50/51/52/53, PMC51, PMD55, PMP51/55.

    • Nr 15 Order code 52020762

      Plug 2/7-pole, HAN7D, gasket

      Consists of: harting plug set. Usage: FMB50/FMB51/FMB52/FMB53, FMB70, FMD76/FMD77/FMD78, PMC51, PMC71, PMD55, PMD70/PMD75, PMP51/PMP55, PMP71/PMP75.

    • Nr 15 Order code 71092709

      Cable gland M20 PA, O-ring EPDM/PTFE

      Consists of: cable gland M20, synthetic. O-ring 17.0x2.0 EPDM + PTFE/FDA. Usage: housing F30/31, FMB50/FMB51/FMB52/FMB53, PMC51, PMD55, PMP51/PMP55.

    • Nr 15 Order code 71092711

      Cable gland M20 Metal, gasket

      Consists of: cable gland M20, metal. O-ring 17.0x2.0 EPDM + PTFE/FDA. Usage: housing F15/F31, FMB50/FMB51/FMB52/FMB53, PMC51, PMP51/PMP55, housing F30 PMD55.

    • Nr 15 Order code 71092712

      Cable entry G1/2, gasket, adapter

      Consists of: gasket 18.72x2.51 NBR 70. Adapter M20 > G1/2. Not for Ex d. Usage: FMB50/FMB51/FMB52/FMB53, PMC51, PMD55, PMP51/PMP55.

    • Nr 15 Order code 71120017

      Plug valve, F30/F31, seal NBR

      Consists of: plug, seal, screw. Usage: FMB50/FMB51/FMB52/FMB53, PMC51, PMD55, PMP51/PMP55.

    • Order code 71290825

      Ground terminal T14/T15/T17, F30/F31

      Consists of: spring washer, screw, earth handle, clamp. Usage: housing T14/T15/T17, FMB70, FMD71/FMD72/ FMD77/FMD78, PMC71, PMP71/PMP75, PMD70/PMD75. Housing F30/F31, FMB50/FMB51/FMB52/ FMB53, PMC51, PMD55, PMP51/PMP55.

  • 40
    • Nr 40 Order code 71091670

      Display module VU340, Cbar/Dbar/Dpilot M

      Digital display, 3 push buttons, snapped bracket. Usage: FMB50/FMB51/FMB52/FMB53, PMC51, PMD55, PMP51/PMP55.

  • 30
  • 40
    • Nr 40 Order code 71094113

      Holder Display Dbar/Cbar/Dpilot M

      Usage: display module VU340, FMB50/FMB51/FMB52/FMB53, PMC51, PMD55, PMP51/PMP55.

    • Order code 71220481

      Membran protection FMB51/52/53, 5 pieces

      Usage: FMB51/FMB52/FMB53.

    • Order code 71067434

      Modification name plate, non Ex

      Blank. To fill in the new order code when a non Ex instrument has been modified. Usage: FMB50/FMB51/FMB52, FMR230/FMR231, FMR240/FMR244/FMR245, FMR250,FMR530/FMR532,FTL50/FTL50H/FTL51/ FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/ FTL85, NMR81, PMC51, PMC71, PMP51/PMP55.

    • Order code 71102216

      Mountingset Cerabar,Deltapilot,Levelflex

      Material: 316L. Usage: wall/pipe mounting (2"), FMB50/FMB51/FMB52/FMB53, FMB70, FMP50/FMP51/FMP52/FMP53/FMP54/FMP55/ FMP56/FMP57, PMC51, PMC71, PMP51/PMP55, PMP71/PMP75.

    • Order code 52024469

      Weld-in adapter G1-1/2, 316L

      Mounting process connection G1-1/2. Material: 316L. Correct installation only with dummy. Usage: FMB50/FMB51/FMB52, FMB70, PMC51, PMC71, PMP51/PMP55, PMP71/PMP75.

    • Order code 52024470

      Weld-in adapter G1-1/2, 316L, 3.1

      Mounting process connection G1-1/2. Material: 316L. Inspection cert. EN10204-3.1 material. Usage: FMB50/FMB51/FMB52, FMB70, PMC51, PMC71, PMP51/PMP52, PMP71/PMP75.

    • Order code 52024471

      Weld-in dummy, adapter G1-1/2

      Material: brass. To avoid any deformation of the adapters 52024469 / 52024470 during welding.

    • Order code 015857-0000

      Pressure adapter DB50, FMB50/70 flange

      Flange version. Overpressure limit 4bar. Usage: FMB50/FMB51/FMB52/FMB53, FMB70.

    • Order code 52006263

      M12-female plug connector, cable side

      M12 plug socket, cable side Self confectionery connection. Usage: FMB50/FMB51/FMB52/FMB53, FMB70, FTL31/FTL33, FTW23, FTW33,PMP11, PMP21, PMP51, PTC31B, PTP31B, QMW43.

    • Order code 52010285

      M12-female plug connec., 90deg, 5m cable

      M12 plug socket, cable side. 5m cable PVC, Cu Sn/Ni lock. Usage: FMB50/FMB51/FMB52/FMB53, FTL31/FTL33, FTL51B, FTL62/FTL64, FTW23, FTW33, PMC11, PMC21, PMC51, PMP11, PMP21/PMP23, PMP51/PMP55, PTC31B, PTP31B/PTP33B, QMW43.

    • Order code 71114212

      M12-female plug connec.,90deg,cable side

      Self confectionery connection. Usage: M12 plug socket, cable side.

    • Order code 71043886

      Cable PE, L=2m/80inch, separate housing

      Connection cable sensor>sep. housing. Usage: FMB50/FMB51/FMB52, FMB70, FMD76/FMD77/FMD78, PMC51, PMC71, PMD70/PMD75, PMP51/PMP55, PMP71/PMP75.

    • Order code 71043888

      Cable PE, L=5m/200inch, separate housing

      Connection cable sensor>sep. housing. Usage: FMB50/FMB51/FMB52, FMB70, FMD76/FMD77/FMD78, PMC51, PMC71, PMD70/PMD75, PMP51/PMP55, PMP71/PMP75.

    • Order code 71043889

      Cable PE, L=10m/400inch,separate housing

      Connection cable sensor>sep. housing. Usage: FMB50/FMB51/FMB52, FMB70, FMD76/FMD77/FMD78, PMC51, PMC71, PMD70/PMD75, PMP51/PMP55, PMP71/PMP75.

    • Order code 71070738

      Cable FEP, L=5m/200inch,separate housing

      Connection cable sensor>sep. housing. Usage: FMB50/FMB51/FMB52, FMB70, FMD76/FMD77/FMD78, PMC51, PMC71, PMD70/PMD75, PMP51/PMP55, PMP71/PMP75.

    • Order code XPRFID-

      Spare RFID TAG

      Consists of: RFID TAG, fixing wire, crimp sleeve.

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