Endress+Hauser Differential pressure Deltabar FMD77

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Endress+Hauser Differential pressure Deltabar FMD77
Accuracy0,075% + influence of diaphragm seal
Process temperature-40°C...400°C
(-40°F...752°F)
Pressure measuring range100mbar...16bar
(1.5psi...230 psi)
Process pressure / max. overpressure limit160bar (2400 psi)
Main wetted partsAlloy C276
316L
Monel
Tantalum
Max. measurement distance160m (525ft) H2O
Material process membrane316L, AlloyC,
Tantal,
Gold-Rhodium,
PTFE
Measuring cell100 mbar...16 bar
(40 inH20...240 psi)
Measuring principleDifferential pressure
CharacteristicDigital transmitter with metallic measuring diaphragms, one side with diaphragm seal
Modular transmitter
Long-term stability
Secondary process barrier
enhanced saftey via self diagnostic functions



Supply voltage4...20mA 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)


Reference Accuracy0,075% + influence of diaphragm seal
Long term stability0.08 % of URL/ year
0.14 % of URL/ 5 years
0.27 % of URL/ 10 years
Process temperature-40°C...400°C
(-40°F...752°F)
Ambient temperature-50°C...85°C
(-58°F...185°F)
Measuring cell100 mbar...16 bar
(40 inH20...240 psi)
Smallest calibratable span5 mbar (0.075 psi)
Vacuum resistance50 mbar (0.73 psi)
Max. Turn down100:1
Max. overpressure limit160 bar
(2400 psi)
Process connectionLow pressure side:
1/4-18NPT
RC1/4"
High pressure side:
Flanges (DIN, ASME, JIS)
Material process membrane316L, AlloyC,
Tantal,
Gold-Rhodium,
PTFE
Material gasketNone, diaphragm seal welded
Fill fluidSilicone oil,
Inert oil,
Vegetable oil
Low- temperature oil
High- temperature oil
Material housing316L, Die-cast aluminum
Communication4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / ApprovalsATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC, UK Ex
Safety approvalsSIL
Design approvalsNACE MR0175
EN10204-3.1
SpecialitiesDiagnostic functions
SuccessorPMD78B
Measuring principleDifferential pressure
Characteristic / ApplicationDigital transmitter with metallic measuring diaphragms one side with diaphragm seal
Modular transmitter
Long term stability
Enhanced safety via self diagnostic functions
Secondary process barrier
Supply / Communication4...20 mA HART:
10,5...45V DC
Ex ia: 10,5...30V DC
PROFIBUS PA /
FOUNDATION Fieldbus:
9...32V DC
Accuracy0,075% + influence of diaphragm seal
Long term stability0,05% of URL/year
Ambient temperature-50°C...85°C
(-58°F...185°F)
Process temperature-40°C...400°C
(-40°F...752°F)
Process pressure / max. overpressure limit160bar (2400 psi)
Pressure measuring range100mbar...16bar
(1.5psi...230 psi)
Main wetted partsAlloy C276
316L
Monel
Tantalum
Process connectionLow pressure side:
1/4-18NPT
RC1/4"
High pressure side:
Flanges (DIN, ASME, JIS)
Max. measurement distance160m (525ft) H2O
Communication4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / ApprovalsATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC
Safety approvalsSIL
Design approvalsEN10204-3.1
NACE MR0175, MR0103
OptionsHistoROM/M-Dat
4-line digital display
SS- or Aluminiumhousing
Separate housing
SuccessorPMD78B
Application limitsMeasuring cell:
Metal welded
Returns Policy

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