Eliminate mechanical issues of dp systems
Electronic differential pressure for reliable, safe and cost-effective level measurement
Differential pressure (dp) measurement is widely used to measure level in pressurized and vacuum tanks. However, traditional dp measurement using impulse lines and capillaries has its drawbacks in terms of accuracy and total cost of ownership. The problems often encountered with conventional dp systems that use impulse lines include clogging, icing, leaks and condensation. Even those dp systems that use oil-filled capillaries face issues in applications with changing ambient temperatures.
Reliability: New electronic differential pressure system eliminates traditional mechanical issues resulting in greater measurement accuracy, process availability and reliability.
Safety: Safety risks are minimized with the new electronic differential pressure system architecture and design.
Cost-effectiveness: Low total cost of ownership due to reduced installation time, maintenance, downtime and spare requirements.
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 a new, 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
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.
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