Electronic
differential pressure
Deltabar FMD71

Deltabar FMD71 stainless steel housing ©Endress+Hauser
Deltabar FMD71 aluminum housing ©Endress+Hauser
Deltabar FMD71 aluminum housing ©Endress+Hauser

Pressure measuring principle

The new electronic dp system

  • Deltabar FMD71 stainless steel housing
  • Deltabar FMD71 aluminum housing
  • Deltabar FMD71 aluminum housing

Electronic differential pressure system utilizing two ceramic sensor modules and one transmitter

The electronic dp Deltabar FMD71 is a differential pressure system, used to measure the pressure or level, volume or mass of liquids in pressurized tanks or distillation columns/evaporators. The high pressure sensor (HP) measures the hydrostatic pressure. The low pressure sensor (LP) measures the head pressure. The level is calculated in the transmitter using these two digital values. The electronic dp system eliminates issues of traditional differential pressure measurements.

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  • Process Connection
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  • <%message%>

FMD71
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  • <%feature%>
    <%coding%>
    <%label%>
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  • Lợi ích

    • Eliminates traditional mechanical issues resulting in greater process availability and reliability

    • Overload-resistant high purity ceramic sensor (99.9% Al2O3)

    • Safety risks are minimized with the new electronic differential pressure system architecture and...

  • Phạm vi ứng dụng

    For differential pressure, level, volume or mass measurement of liquids in pressurized tanks and distillation columns/evaporators.

    • Process connections: Threads, flanges and hygienic connections

    • Process temperature: -40 up to +150°C (-40 to +302°F)

    • ...

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Details

  • Measuring principle

    Differential pressure

  • Characteristic / Application

    Electronic differential pressure transmitter with ceramic sensor (Ceraphire) for level, volume or mass measurement in liquids.

  • Supply / Communication

    4...20 mA HART:

    12...45V DC

    Exia: 12...30V DC

  • Accuracy

    0.075% of individual sensor,

    "PLATINUM" 0.05% of individual sensor

  • Long term stability

    0.05% of URL/year of individual sensor

  • Ambient temperature

    –40...+80°C

    (–40...+176°F)

  • Process temperature

    –25...+150°C

    (–13...+302°F)

  • Process pressure absolute / max. overpressure limit

    60 bar (900 psi)

  • Pressure measuring range

    100mbar...40bar
    (1.5psi...600psi)

  • Process connection

    Threads
    Flanges (DIN, ASME, JIS)

  • Process connection hygienic

    DIN11851

    DIN11864-1

    Tri-Clamp

    DRD

    Varivent

  • Communication

    4...20 mA HART

  • Certificates / Approvals

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

  • Design approvals

    NACE MR0175

    EN10204-3.1

  • Hygienic approvals

    FDA

    3A

  • Options

    4-line digital display

    SS- or Aluminium housing

  • Application limits

    Use Software Applicator Sizing Electronic DP

  • Measuring principle

    Differential pressure

  • Characteristic

    Electronic differential pressure transmitter with ceramic sensor (Ceraphire) for level, volume or mass measurement in liquids.

  • Supply voltage

    4...20 mA HART:

    12...45V DC (Non Ex)

    Ex ia: 12...30V DC

  • Reference Accuracy

    0.075% of individual sensor,

    "PLATINUM" 0.05% of individual sensor

  • Long term stability

    0.05% of URL/year of individual sensor

  • Process temperature

    –25...+150°C

    (–13...+302°F)

  • Ambient temperature

    –40...+80°C

    (–40...+176°F)

  • Measuring cell

    100 mbar...40 bar
    (1.5 psi...600 psi)

  • Vacuum resistance

    0 mbar

  • Max. Turn down

    100 : 1

  • Max. overpressure limit

    60 bar (900 psi)

  • Process connection

    Threads
    Flansch (DIN, ASME, JIS)

  • Process connection hygienic

    DIN11851

    DIN11864-1

    Tri-Clamp

    DRD

    Varivent

  • Material process membrane

    Ceramic

    316L, AlloyC

  • Material gasket

    Viton, Kalrez, EPDM, NBR, Silicone

  • Fill fluid

    Silicone Oil

  • Material housing

    Die-cast aluminum

    Stainless steel

  • Communication

    4...20 mA HART

  • Certificates / Approvals

    ATEX, FM, CSA, IECEx, NEPSI, INMETRO

  • Design approvals

    NACE MR0175,

    EN10204-3.1,

  • Hygienic approvals

    EHEDG,

    3A

Tài liệu / Tài liệu hướng dẫn / Phần mềm

Phụ kiện / Phụ tùng thay thế

Nr
Order code
Specification
    • 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.

  • 13
    • Nr 13 Order code 52024110

      Push button housing, HART, version 2

      Consists of: push button, cover + screws. Colour dark grey. Usage: external operation, FMB70, FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75.

  • 20
    • Nr 20 Order code 52020432

      Cover T14/T15 Alu, gasket

      Material: aluminium, coated. O-ring EPDM, FDA. Not for EEx d/XP. Usage: FMB70, FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

    • Nr 20 Order code 52020433

      Cover T14/T15 Alu, Ex d, gasket

      Material: aluminium, coated. O-ring EPDM, FDA. EEx d/XP. Usage: FMB70, FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

    • Nr 20 Order code 52028310

      Cover T14 316L, Ex d, EPDM

      Material: 316L. O-ring EPDM, FDA. Individual tested, EEx d/XP. Usage: FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

    • Nr 20 Order code 71002774

      Cover T17 316L, gasket

      Material: 316L. Flat gasket EPDM, centering ring, screw. Not for EEx d/XP. Usage: FMB70, FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

    • Nr 20 Order code 71002810

      Cover T17 316L, sight glass, gasket

      Material: 316L. Sight glass: mineral glass. Flat gasket EPDM, centering ring, screw. For approval 2,3,4,7,8,Q,W. Usage: FMB70, FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75. For approval BC,BD,IB. Usage: FMD71/FMD72.

    • Nr 20 Order code 71002811

      Cover T17 316L, sight glass PC, gasket

      Material: 316L. Sight glass: Polycarbonate PC. Flat gasket EPDM, centering ring, screw. For approval A,E,F,H,I,R,S,U,1,6. Usage: FMB70, FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75. For approval AA,BA,CA,CB,CC,CD,FA,FB, FD,IA. Usage: FMD71/FMD72.

    • Nr 20 Order code 71245247

      Cover T14/T15 Alu, sight glass, gasket

      Material: aluminium, coated. Sight glass: mineral glass, coated. O-ring EPDM, FDA. Not for EEx d/XP. Usage: FMB70, FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

    • Nr 20 Order code 71245249

      Cover T14/T15 Alu,Exd,sight glass,gasket

      Material: aluminium. Sight glass mineral glass, coated. O-ring EPDM, FDA. Individual tested, EEx d/XP. Usage: FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

    • Nr 20 Order code 71245250

      Cover T14 316L, Ex d, sight glass, EPDM

      Material: 316L. Sight glass: mineral glass, coated. O-ring EPDM, FDA. Individual tested, EEx d/XP. Usage: FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

  • 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.

  • 35
    • Nr 35 Order code 71191892

      Terminal 3-pole,Li=0, RFI,HART,Ex ia/Exd

      RFI-filter. Not for TIIS Ex ia, TIIS Ex d. Usage: FMB70, FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

    • Nr 35 Order code 71191894

      Termin.3-p.,Li=0,RFI,HART,OVP,Ex ia/Exd

      Overvoltage protection, RFI-filter. Not for TIIS Ex ia, TIIS Ex d. Usage: FMB70, FMD71/FMD72/FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP75.

  • 40
    • Nr 40 Order code 71002865

      Display module VU340, Cbar/Dbar/Dpilot S

      Digital display, 3 push buttons, snapped bracket. Languages DE/EN/FR/ES/IT/NL, from software version 02.00.zz; Usage: electronics HART. Languages DE/EN/FR/ES/IT/NL/JA/ZH. From software version 02.01.zz; Electronics HART. Languages DE/EN/FR/ES/IT/JA/ZH/RU, from software version 02.11.zz; Electronics HART. From software version 04.00.zz; Electronics PROFIBUS PA. From software version 03.00.zz; Electronics FOUNDATION Fieldbus, FMB70, FMD76/FMD77/FMD78, PMC71, PMD70/PMD75, PMP71/PMP72/PMP75. From software version 01.00.zz; Electronics HART, FMD71/FMD72.

  • 30
  • 31
  • 22
    • Nr 22 Order code 71186144

      Cover Alu,sensor housing FMD71/72,O-ring

      Material: aluminium. O-ring EPDM/PTFE. Hinge ring. Usage: FMD71/FMD72.

    • Nr 22 Order code 71186147

      Cover 316L, sensor FMD71/72 , O-ring

      Material: stainless steel. O-ring EPDM/PTFE. Hinge ring. Usage: FMD71/FMD72.

  • 23
    • Order code 71186150

      Housing filter VA, sensor FMD71/72, 1pc.

      Pressure compensation plug, stainless steel. Sensor housing aluminium, stainless steel. Usage: FMD71/FMD72.

    • Order code 71186151

      Housing filter PA,sensor FMD71/72, 3pcs.

      Pressure compensation plug, plastic. Sensor housing aluminium, stainless steel. Usage: FMD71/FMD72.

  • 16
  • 70
  • 70
    • Nr 70 Order code 71186136

      Connection cable L= 15ft; 4.57m

      Connection sensor > sensor. Connection sensor > transmitter. Usage: FMD71/FMD72.

    • Nr 70 Order code 71186138

      Connection cable L= 35ft; 10.67m

      Connection sensor > sensor, connection sensor > transmitter. Usage: FMD71/FMD72.

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