Endress+Hauser Deltabar FMD78
Differential pressure
Differential pressure sensor
Accuracy0,075% + influence of diaphragm seal
Process temperature-40В°C...400В°C
(-40В°F...752В°F)
- Overview +
- Comments +
Multifunctional differential pressure transmitter with remote seals. For level measurement in closed tanks. Intelligent and high precision.
Differential pressure transmitter with two diaphragm seals for differential pressure and level.
Pressure measuring range100mbar...40bar
(1.5psi ... 600 psi)
160bar (2400 psi)
Main wetted partsAlloy C276
316L
Monel
Tantalum
400m (1312ft) H2O
Material process membrane316L, AlloyC,
Tantal,
Gold-Rhodium
PTFE
100 mbar...40 bar
(40 inH2O...600 psi)
Differential pressure
Characteristic / ApplicationDigital transmitter with metallic measuring diaphragms diaphragm seals and capillaries
Modular transmitter
Long term stability
Enhanced safety via self diagnostic functions
Secondary process barrier
TempC membrane
Supply / Communication4...20 mA HART:
10,5...45V DC
Ex ia: 10,5...30V DC
PROFIBUS PA /
FOUDATION Fieldbus:
9...32V DC
0,075% + influence of diaphragm seal
Long term stability0,05% of URL/year
Ambient temperature-50В°C...85В°C
(-58В°F...185В°F)
-40В°C...400В°C
(-40В°F...752В°F)
160bar (2400 psi)
Pressure measuring range100mbar...40bar
(1.5psi ... 600 psi)
Alloy C276
316L
Monel
Tantalum
Diaphragm seal (Pancakes, threads)
Flanges (DIN, ASME)
Tri-Clamp ISO2852
Hygienic connections
Tri-Clamp
DIN11851
NEUMO
Varivent
SMS
DRD
Universal adapter
400m (1312ft) H2O
Communication4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC
Safety approvalsSIL
Design approvalsEN10204-3.1
NACE MR0175, MR0103
3A, EHEDG
Marine approvalGL/ ABS
OptionsHistoROM/M-Dat
4-line digital display
SS- or Aluminiumhousing
Separate housing
PMD78B
Application limitsMeasuring cell:
Metal welded
Differential pressure
CharacteristicDigital transmitter with metallic measuring diaphragms diaphragm seals and capillaries
Modular transmitter
Long-term stability
Secondary process barrier
enhanced safety via self diagnostic functions.
4...20 mA HART
10,5...45V DC (Non Ex):
Ex ia: 10,5...30V DC
PROFIBUS PA:
9...32 V DC (Non Ex)
FOUNDATION Fieldbus:
9...32 V DC (Non Ex)
0,075% + influence of diaphragm seal
Long term stability0.08 % of URL/ year
0.14 % of URL/ 5 years
0.27 % of URL/ 10 years
-70В°C...400В°C
(-94В°F...752В°F)
-50В°C...85В°C
(-58В°F...185В°F)
100 mbar...40 bar
(40 inH2O...600 psi)
5 mbar (0.075 psi)
Vacuum resistance50 mbar (0.73 psi)
Max. Turn down100:1
Max. overpressure limit160 bar
(2400 psi)
Diaphragm seal (Pancake, threads)
Flanges (DIN, ASME)
Hygienic connections
Tri-Clamp ISO2852
Tri-Clamp
DIN11851
NEUMO
Varivent
SMS
DRD
Universal adapter
316L, AlloyC,
Tantal,
Gold-Rhodium
PTFE
None, diaphragm seal welded
Fill fluidSilicone oil,
Inert oil,
Vegetable oil
Low- temperature oil
High- temperature oil
316L, Die-cast aluminum
Communication4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC, UK Ex
Safety approvalsSIL
Design approvalsNACE MR0175
EN10204-3.1
3A, FDA
Marine approvalsGL/ ABS
SpecialitiesDiagnostic functions
TempC Membrane
PMD78B
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