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Eliminate mechanical issues of traditional dp systems

Electronic differential pressure for reliable, safe and cost-effective level measurement

Publication date 04/04/2014

Increased safety in oil & gas, chemical and food & beverage

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

  • Elimination of tubing and connection leaks often encountered in traditional systems
  • Elimination of line condensation or evaporation events (dry/wet leg inconsistencies) and plugging events
  • Fully vacuum resistant Ceraphire® ceramic cells with the highest overload protection

The best sensor for your application needs

Our electronic dp systems allow you to select the ideal process connections, housing and measuring cells based on your application. The Ceraphire® ceramic cell (FMD71) is vacuum-resistant and best with corrosive and abrasive media. Based on capacitive sensor technology, the Ceraphire® ceramic cell offers additional safety with its self-monitoring. The silicon cell (FMD72) offers fast-acting temperature compensation for consistent accuracy – even in applications with rapid changing temperatures!

Modular design for minimal downtime

The system's modular design ensures that repair costs and downtime are drastically reduced. Individual components can be replaced separately, significantly reducing maintenance costs and ensuring maximum plant availability. It's also easy to retrofit the FMD71 and FMD72 into existing mechanical systems, using the same transmitter mounting position.

Simultaneous top pressure measurement

Additional measurement parameters are available via HART, enabling you to improve your process control. Besides differential pressure and level it is also possible to get the process pressure information as well as the sensor temperature. This valuable information can not only help with maintenance but also improves safety, for example, by avoiding overpressure.

electronic dp deltabar transmitter ©Endress+Hauser

Electronic dp Deltabar FMD71 and FMD72 eliminate these problems - you not only benefit from precise measured values but also increased reliability and process safety. Endress+Hauser's new electronic dp system, consisting of one transmitter with two sensors, offers proven pressure sensor technology in an innovative manner. The transmitter calculates the differential pressure from both sensors and transmits the level, volume or mass via 4...20 mA/HART as a standard 2-wire loop-powered device.

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Production availability extended
Check out how Centauri Technologies LP (in USA) minimized their maintenance and costs by replacing traditional differential pressure measurements using capillaries with our electronic dp transmitter.
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Reliable. Safe. Cost Effective.
Electronic differential pressure for level measurement – with metal or ceramic sensors
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Microphone with coffee cup ©Endress+Hauser

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