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Deltabar FMD71: A Electronic Differential Pressure System
The electronic dp Deltabar FMD71 from Endress+Hauser is a differential pressure system that is utilized to quantify the pressure or level, volume or mass of liquids in distillation columns/evaporators or pressurized tanks.
The high-pressure sensor (HP) quantifies the hydrostatic pressure. The low-pressure sensor (LP) assesses the head pressure. The level is estimated in the transmitter with the help of two digital values.The electronic dp system removes problems of conventional differential pressure measurements.
Image Credit: Endress+Hauser Ltd.
Image Credit: Endress+Hauser Ltd.
For differential pressure, volume, levelor mass measurement of liquids in distillation columns/evaporators and pressurized tanks.
Process connections: Threads, flangesand hygienic connections
Process temperature: −40 up to +150 °C (−40 to +302°F)
Measuring range: 100 mbar to +40 bar (6 to 600 psi)
Accuracy: Single sensor up to ±0.05%, system up to ±0.07%
International explosion safety certificates and hygienic approvals
Extended Selection
Highly functional and practical
High-end products
Image Credit: Endress+Hauser Ltd.
Benefits
Removes traditional mechanical problems leading to higher process availability and reliability
Availability of overload-resistant high-purity ceramic sensor (99.9% Al2O3)
With the new electronic differential pressure system architecture and design, safety risks are reduced
The lowest total cost of ownership as a result of decreased installation time, downtime, maintenanceand spare requirements
Long-term stability and high reproducibility
Constant health indication of the full system through HART-based diagnostic
Multivariable level measurement: HART-based differential pressure, head pressureand sensor temperatures from one system
Specs at a Glance
Accuracy
“PLATINUM” 0.05% of individual sensor
0.075% of individual sensor
Process Temperature
–25 to +150 °C (–13 to +302 °F)
Pressure Measuring Range
100 mbar to 40 bar (1.5 psi to 600 psi)
Process Pressure Absolute/Maximum Overpressure Limit
60 bar (900 psi)
Material Process Membrane
Ceramic
316L, AlloyC
Measuring Cell
100 mbar to 40 bar (1.5 psi to 600 psi)
Specifications
Source: Endress+Hauser Ltd.
| . | . |
|---|---|
| Measuring principle | Differential pressure |
| Characteristic / Application | Electronic differential pressure transmitter with ceramic sensor (Ceraphire) for level,volume or mass measurement in liquids. |
| Supply / Communication | 4...20 mA HART: 12...45 V DCExia: 12...30 V DC |
| Accuracy | 0.075% of individual sensor,"PLATINUM" 0.05% of individual sensor |
| Long term stability | 0.05% of URL/year of individual sensor |
| Ambient temperature | –40...+80 °C (–40...+176 °F) |
| Process temperature | –25...+150 °C (–13...+302 °F) |
| Process pressure absolute/max. overpressure limit | 60 bar (900 psi) |
| Pressure measuring range | 100 mbar...40 bar(1.5 psi...600 psi) |
| Process connection | ThreadsFlanges (DIN, ASME, JIS) |
| Process connection hygienic | DIN11851DIN11864-1Tri-ClampDRDVarivent |
| Communication | 4...20 mA HART |
| Certificates / Approvals | ATEX, FM, CSA, CSA C/US, IEC Ex, NEPSI, INMETRO |
| Design approvals | NACE MR0175EN10204-3.1 |
| Hygienic approvals | FDA3A |
| Options | 4-line digital displaySS- or Aluminium housing |
| Application limits | Use Software Applicator Sizing Electronic DP |
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