Английский
арабский
Overview
Electronic differential pressure system utilizing two ceramic sensor modules and one transmitter.
Specs at a glance
* Accuracy
0.075% of individual sensor,
"PLATINUM" 0.05% of individual sensor
* Process temperature
–25...+150°C
(–13...+302°F)
* Pressure measuring range
100mbar...40bar
(1.5psi...600psi)
* Process pressure / max. overpressure limit
60 bar (900 psi)
* Material process membrane
Ceramic
316L, AlloyC
* Measuring cell
100 mbar...40 bar
(1.5 psi...600 psi)
0.075% of individual sensor,
"PLATINUM" 0.05% of individual sensor
* Process temperature
–25...+150°C
(–13...+302°F)
* Pressure measuring range
100mbar...40bar
(1.5psi...600psi)
* Process pressure / max. overpressure limit
60 bar (900 psi)
* Material process membrane
Ceramic
316L, AlloyC
* Measuring cell
100 mbar...40 bar
(1.5 psi...600 psi)
Field of application
The electronic dp Deltabar FMD71 is a differential pressure system, used to measure the pressure or 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 up to +150°C (-40 to +302°F)
* Measuring range: 100mbar to +40bar (6 to 600psi)
* Accuracy: Single sensor up to ±0.05%, system up to ±0.07%
* International explosion protection certificates, hygienic
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 up to +150°C (-40 to +302°F)
* Measuring range: 100mbar to +40bar (6 to 600psi)
* Accuracy: Single sensor up to ±0.05%, system up to ±0.07%
* International explosion protection certificates, hygienic
Benefits
* Eliminates traditional mechanical issues resulting in greater process availability and reliability
* Overload-resistant high purity ceramic sensor (99.9% Al2O3)
* 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
* Overload-resistant high purity ceramic sensor (99.9% Al2O3)
* 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
Specification
|
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)
|
|
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
|
|
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 |
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