Specs at a glance
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Accuracy
0.075% of individual sensor,
"PLATINUM" 0.05% of individual sensor -
Process temperature
–40...+125°C
(–40 ... +257°F) -
Pressure measuring range
400 mbar...10 bar
(6 psi...150 psi) -
Process pressure absolute / max. overpressure limit
160 bar (2400 psi)
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Main wetted parts
316L, Alloy C
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Material process membrane
316L, AlloyC,
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Measuring cell
400 mbar...10 bar
(6 psi...150psi)
Field of application
The electronic dp Deltabar FMD72 is a differential pressure system, used to measure the pressure, level, volume or mass of liquids in pressurized tanks or distillation columns/evaporators. The high pressure sensor (HP) measures the hydrostatic pressure. The low pressure sensor (LP) measures the head pressure. The level is calculated in the transmitter using these two digital values. The electronic dp system eliminates issues of traditional differential pressure measurements.
For differential pressure, level, volume or mass measurement of liquids in pressurized tanks and distillation columns/evaporators.
Process connections: Threads, flanges and hygienic connections
Process temperature: -40 to +125°C (-40 to +257°F), optional 250°C (480°F)
Measuring range: 400mbar to +40bar (6 to 600psi)
Accuracy: Single sensor up to ±0.05%, system up to ±0.07%
International explosion protection certificates, hygienic approvals
Benefits
Eliminates traditional mechanical issues resulting in greater process availability and reliability
Safety risks are minimized with the new electronic differential pressure system architecture and design
Lowest total cost of ownership due to reduced installation time, maintenance, downtime and spare requirements
Multivariable level measurement: HART-based differential pressure, head pressure and sensor temperatures from one system
Continuous health indication of the entire system via HART-based diagnostic
High reproducibility and long-term stability
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Process safety assured with small flush mounted process connections in hygienic applications
Videos
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Pressure measuring principle
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The new electronic dp system
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
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Measuring principle
Differential pressure
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Characteristic
Electronic differential pressure transmitter with metal sensor for level, volume or mass measurement in liquids.
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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
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Process temperature
–40...+125°C
(–40...+257°F) -
Ambient temperature
–40...+80°C
(–40...+176°F) -
Measuring cell
400 mbar...10 bar
(6 psi...150psi) -
Vacuum resistance
10 mbar (0.15 psi)
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Max. overpressure limit
160 bar (2400 psi)
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Process connection
Threads
Flange (DIN, ASME,JIS) -
Process connection hygienic
DIN11851
DIN11864-1
Tri-Clamp
DRD
Varivent -
Material process membrane
316L, AlloyC,
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Fill fluid
Silicone oil
Synthetic oil -
Material housing
Die-cast aluminum
Stainless steel -
Communication
4...20 mA HART
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Certificates / Approvals
ATEX, FM, CSA, IECEx, NEPSI, INMETRO
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Design approvals
NACE MR0175,
EN10204-3.1, -
Hygienic approvals
EHEDG
3A
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Measuring principle
Differential pressure
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Characteristic / Application
Electronic differential pressure transmitter with metal sensor for level, volume or mass measurement in liquids.
-
Supply / Communication
4...20 mA HART
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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
–40...+125°C
(–40 ... +257°F) -
Process pressure absolute / max. overpressure limit
160 bar (2400 psi)
-
Pressure measuring range
400 mbar...10 bar
(6 psi...150 psi) -
Main wetted parts
316L, Alloy C
-
Process connection
Threads
Flange (DIN, ASME,JIS) -
Process connection hygienic
DIN11851
DIN11864-1
Tri-Clamp
DRD
Varivent -
Communication
4...20 mA HART
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Certificates / Approvals
ATEX, FM, CSA, CSA C/US IEC Ex, NEPSI, INMETRO
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Design approvals
NACE MR0175
EN10204-3.1 -
Hygienic approvals
FDA
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Options
4-line digital display
SS- or Aluminium housing -
Application limits
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