Electronic
differential pressure
Deltabar FMD72

Deltabar FMD72 aluminum housing ©Endress+Hauser
Deltabar FMD72 stainless steel housing ©Endress+Hauser
Deltabar FMD72 aluminum housing ©Endress+Hauser

Pressure measuring principle

The new electronic dp system

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

The electronic dp Deltabar FMD72 is a differential pressure system, used to measure the pressure, 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.

  • Benefits

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

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

    • Lowest total cost of ownership due to reduced...

  • Field of application

    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 to +125°C (-40 to +257°F),...

Features and specifications

Back

Details

  • Measuring principle

    Differential pressure

  • Characteristic / Application

    Electronic differential pressure transmitter with metal sensor for level, volume or mass measurement in liquids.

  • Supply / Communication

    4...20 mA HART

  • 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

    –40...+125°C

    (–40 ... +257°F)

  • Process pressure absolute / max. overpressure limit

    160 bar (2400 psi)

  • Pressure measuring range

    400 mbar...10 bar
    (6 psi...150 psi)

  • Main wetted parts

    316L, Alloy C

  • Process connection

    Threads

    Flange (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

  • Options

    4-line digital display

    SS- or Aluminium housing

  • Application limits

    Use the Software Applicator Sizing Electronic DP

  • Measuring principle

    Differential pressure

  • Characteristic

    Electronic differential pressure transmitter with metal sensor 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

    –40...+125°C

    (–40...+257°F)

  • Ambient temperature

    –40...+80°C

    (–40...+176°F)

  • Measuring cell

    400 mbar...10 bar
    (6 psi...150psi)

  • Vacuum resistance

    10 mbar (0.15 psi)

  • Max. overpressure limit

    160 bar (2400 psi)

  • Process connection

    Threads

    Flange (DIN, ASME,JIS)

  • Process connection hygienic

    DIN11851

    DIN11864-1

    Tri-Clamp

    DRD

    Varivent

  • Material process membrane

    316L, AlloyC,

  • Fill fluid

    Silicone oil

    Synthetic 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

Documents / Manuals / Software

Accessories / Spare parts

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.

  • 20
    • 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.

  • 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.

  • 25
    • Nr 25 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.

  • 20
    • 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 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.

  • 20
    • 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.

  • 25
    • Nr 25 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.

  • 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
    • Nr 30 Order code XPP0006-

      Electronics FMD71/FMD72

      Transmitter electronis. Usage: FMD71/FMD72.

  • 31
    • Nr 31 Order code 71186142

      Electronics sensor module FMD71/FMD72

      Usage: FMD71/FMD72.

  • 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
    • Nr 23 Order code 71186149

      Sealing set, cover, sensor, 5 pieces

      Consists of: O-ring 43.62x2.62 EPDM/PTFE, 5pcs. Usage: FMD71/FMD72.

    • 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
    • Nr 16 Order code 71186153

      Cable gland sensor FMD71/72, M20

      Consists of: cable gland M20 VA. O-ring, plug. Usage: FMD71/FMD72.

    • Nr 16 Order code 71186154

      Cable entry sensor FMD71/72, NPT

      Consists of: cable gland NPT. O-ring, plug. Usage: FMD71/FMD72.

    • Nr 16 Order code 71186157

      Conduit adapter, NPT, 316L

      For mounting over M12 plug for conduit use. Usage: FMD71/FMD72.

  • 70
    • Nr 70 Order code 71186132

      Connection cable L= 6ft; 1.82m

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

    • 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.

    • Nr 70 Order code 71186141

      Connection cable L= 100ft; 30.48m

      Connection sensor > sensor. Usage: FMD71/FMD72.

    • Nr 70 Order code 71243224

      Connection cable L= 150ft; 45.72m

      Connection sensor > sensor. Usage: FMD71/FMD72.

  • 50
    • Order code XPRFID-

      Spare RFID TAG

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