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Deltabar FMD78 - Differential pressure

Differential pressure
Deltabar FMD78

Differential pressure transmitter with two diaphragm seals for differential pressure and level

FMD78
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Deltabar FMD78 aluminum housing
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Deltabar FMD78 hygienic housing
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Deltabar FMD78 with TempC Membrane
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Specs at a glance

  • Accuracy

    0,075% + influence of diaphragm seal

  • Process temperature

    -40°C...400°C
    (-40°F...752°F)

  • Pressure measuring range

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

  • Process pressure absolute / max. overpressure limit

    160bar (2400 psi)

  • Main wetted parts

    Alloy C276
    316L
    Monel
    Tantalum

  • Max. measurement distance

    400m (1312ft) H2O

  • Material process membrane

    316L, AlloyC,
    Tantal,
    Gold-Rhodium
    PTFE

  • Measuring cell

    100 mbar...40 bar
    (40 inH2O...600 psi)

Field of application

The Deltabar FMD78 differential pressure transmitter with metal sensor uses two capillary diaphragm seals. Typically used in process and hygiene applications for continuous measurement of pressure differences in liquids, vapors, gases and dusts. The integrated HistoROM data module makes the management of process and device parameters easy. Designed according to IEC 61508 for use in SIL3 safety applications.

For differential pressure, level, volume or mass measurement in liquids.

  • Process connections: Threads, flanges, pancake and hygienic connections

  • Process temperature: -70 up to +400°C (-94 to +752°F)

  • Measuring ranges: 100mbar to +40 bar (1.5 to 600psi)

  • Accuracy: ±0.075%

  • International explosion protection certificates, overfill prevention WHG, hygienic approvals, marine approvals, SIL

Benefits

  • Large variety of different process connections and membrane materials

  • New TempC Membrane for diaphragm seals: Minimum temperature effects and short recovery times

  • Highest safety due to gas tight feedthrough with capabilities up to SIL2/3, certified to IEC 61508

  • Easy menu-guided commissioning via local display, 4 to 20 mA with HART, PROFIBUS PA, FOUNDATION Fieldbus

  • HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics

  • Cost savings with modular concept for easy replacement of sensor, display or electronics

  • Seamless and independent system integration (HART/PA/FF)

Videos

  • Pressure measuring principle

  • The new TempC Membrane

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