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Differential pressure
Deltabar FMD77

Differential pressure transmitter with one diaphragm seal for level measurement

  • Deltabar FMD77 temperature isolator short, transmitter vertical
©Endress+Hauser
  • Deltabar FMD77 temperature isolator short, transmitter horizontal ©Endress+Hauser
  • Deltabar FMD77 with two diaphragm seals and a capillary on the low pressure side ©Endress+Hauser
  • Pressure measuring principle

  • Deltabar FMD77 temperature isolator long, transmitter vertical ©Endress+Hauser
  • Deltabar FMD77 temperature isolator long, transmitter horizontal ©Endress+Hauser

The Deltabar FMD77 differential pressure transmitter with metal sensor uses a one-sided diaphragm seal or diaphragm seals on both sides with a capillary on the low pressure side. Typically used in the process industry for continuous level measurement in liquids. 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.

Benefits

  • Large variety of different process connections and membrane materials

  • 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)

Field of application

For level, volume or mass measurement in liquids.

  • Process connections: Threads and flanges

  • Temperature: -70 to +400°C (-94 to +752°F)

  • Measuring ranges: +100mbar to +16bar (+1.5 to +240psi)

  • Accuracy: ±0.075%

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

Features and specifications

Documents / Manuals / Software

Accessories / Spare parts

Predecessor / Successor

Predecessor: Deltabar S FMD630

Contact

Endress+Hauser Australia Pty Ltd
Level 1 16 Giffnock Avenue Macquarie Park , NSW 2113 Australia
Tel.: 1800 363 737
Fax: +61 2 8877 7099
Send email www.au.endress.com

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