Endress+hauser FMD71 Electronic differential pressure Deltabar
- Electronic differential pressure system.
- Measures pressure, level, volume.
- Overload-resistant ceramic sensor.
- Hygienic, explosion protection approvals.
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Description
Endress+Hauser FMD71: Differential Pressure Mastery
The Endress+Hauser Deltabar FMD71 electronic differential pressure system is a true marvel of modern measurement technology, meticulously engineered for precise and reliable monitoring of liquids. This sophisticated device is primarily utilized to accurately gauge pressure, level, volume, or mass of liquids within challenging environments such as pressurized tanks, distillation columns, and evaporators. Its ingenious design bypasses the traditional pitfalls associated with conventional differential pressure measurements, offering a superior solution. At its core, the FMD71 employs two distinct sensors: a high-pressure sensor (HP) to measure hydrostatic pressure and a low-pressure sensor (LP) for head pressure. These two digital values are then expertly processed by the integrated transmitter to precisely calculate the desired level, providing unparalleled accuracy and stability.
Eliminating Traditional Measurement Challenges Ingeniously
One of the most compelling advantages of the Deltabar FMD71 lies in its ability to effectively eliminate the common mechanical issues that plague traditional differential pressure measurement systems. This translates directly into significantly greater process availability and enhanced overall reliability for industrial operations. By replacing mechanical linkages and vulnerable components with an advanced electronic architecture, the FMD71 drastically reduces the likelihood of malfunctions, drift, and maintenance requirements. This proactive approach to design not only minimizes costly downtime but also ensures that critical processes run more smoothly and consistently. The result is a robust and dependable system that operators can trust to deliver accurate data, day in and day out, without the typical headaches associated with older technologies.
Applications: Tanks, Columns, Evaporators Precisely
The Endress+Hauser Deltabar FMD71 is specifically tailored for a range of demanding applications where accurate measurement of liquids is paramount. It excels in monitoring differential pressure, level, volume, or mass within pressurized tanks, providing crucial data for inventory management, process control, and safety. Furthermore, its robust design makes it an ideal choice for distillation columns, where precise control of liquid levels is essential for efficient separation processes. Evaporators also benefit immensely from the FMD71’s capabilities, ensuring optimal performance and preventing issues like boil-overs or dry-running. Its versatility is further highlighted by its compatibility with various process connections, including threads, flanges, and hygienic options, ensuring seamless integration into diverse industrial setups, from chemical plants to food processing facilities.
Ceramic Sensor: Robust, Reliable, Overload-Resistant
At the heart of the Deltabar FMD71’s exceptional performance lies its high-purity ceramic sensor, often referred to as Ceraphire. This advanced sensor, composed of 99.9% Al2O3, is not just incredibly accurate but also remarkably robust and resistant to overloads. Its inherent material properties make it exceptionally stable, ensuring consistent and reliable measurements even under harsh process conditions. Unlike conventional sensors that might be susceptible to damage from sudden pressure spikes, the ceramic diaphragm of the FMD71 provides superior protection and longevity. This translates into fewer sensor replacements, reduced maintenance costs, and ultimately, a lower total cost of ownership over the instrument’s lifespan. It’s a testament to Endress+Hauser’s commitment to durability and long-term performance.
Minimized Risks, Enhanced System Safety
Safety is a non-negotiable priority in industrial environments, and the Endress+Hauser Deltabar FMD71 addresses this with its innovative electronic differential pressure system architecture and design. This advanced design significantly minimizes safety risks associated with traditional mechanical systems, which can be prone to leaks, failures, and calibration drift that might compromise process integrity. The FMD71’s robust construction and reliable performance reduce the potential for hazardous situations, ensuring a safer working environment for personnel and enhanced protection for valuable assets. Furthermore, with various international explosion protection certificates and hygienic approvals, the FMD71 is deemed safe for deployment in classified hazardous areas and sensitive sanitary applications, underscoring its commitment to operational safety and compliance.
Lowest Cost of Ownership, Maximum Value
Investing in the Endress+Hauser Deltabar FMD71 translates into the lowest total cost of ownership, a significant benefit for any industrial operation. This economic advantage stems from several key factors. Firstly, the FMD71’s innovative design drastically reduces installation time, thanks to its streamlined electronic architecture compared to complex traditional mechanical systems. Secondly, its inherent reliability and robust ceramic sensor minimize maintenance requirements and the need for frequent recalibrations. Thirdly, reduced downtime due to fewer failures and quicker troubleshooting means processes remain operational, avoiding costly production losses. Lastly, the FMD71’s long-term stability and durability translate into fewer spare part requirements over its lifespan. All these factors collectively contribute to substantial long-term savings, making the FMD71 a highly cost-effective solution.
Multivariable Measurement, Diagnostic Intelligence Built-in
The Deltabar FMD71 is not just a differential pressure transmitter; it’s a multivariable measurement powerhouse. Leveraging HART communication, it can provide simultaneous readings for differential pressure, head pressure, and even sensor temperatures from a single, integrated system. This rich data stream offers a comprehensive view of process conditions, enabling operators to make more informed decisions. Furthermore, the FMD71 boasts continuous health indication of the entire system via its HART-based diagnostic capabilities. This intelligent feature constantly monitors the instrument’s performance and internal health, proactively identifying potential issues before they escalate into critical failures. This proactive diagnostic ability significantly enhances operational reliability, reduces unexpected downtime, and streamlines troubleshooting, ensuring your processes remain robust and efficient.
Specifications
-
Measuring principle
Differential pressure
-
Characteristic
Electronic differential pressure transmitter with ceramic sensor (Ceraphire) 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
–25…+150°C
(–13…+302°F) -
Ambient temperature
–40…+80°C
(–40…+176°F) -
Measuring cell
100 mbar…40 bar
(1.5 psi…600 psi) -
Vacuum resistance
0 mbar
-
Max. Turn down
100 : 1
-
Max. overpressure limit
60 bar (900 psi)
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Process connection
Threads
Flansch (DIN, ASME, JIS) -
Process connection hygienic
DIN11851
DIN11864-1
Tri-Clamp
DRD
Varivent -
Material process membrane
Ceramic
316L, AlloyC -
Material gasket
Viton, Kalrez, EPDM, NBR, Silicone
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Fill fluid
Silicone Oil
-
Material housing
Die-cast aluminum
Stainless steel -
Communication
4…20 mA HART
-
Certificates / Approvals
ATEX, FM, CSA, IECEx, NEPSI, INMETRO, UK Ex
-
Design approvals
NACE MR0175,
EN10204-3.1, -
Hygienic approvals
EHEDG,
3A











