FMD77 Differential Pressure Deltabar
FMD77 Differential Pressure Deltabar
FMD77 Differential Pressure Deltabar
FMD77 Differential Pressure Deltabar
FMD77 Differential Pressure Deltabar
FMD77 Differential Pressure Deltabar

FMD77 Differential Pressure Deltabar

$760.00

Endress+Hauser

FMD77 differential pressure transmitter with metal sensor uses a one-sided diaphragm seal or diaphragm seals on both sides with a capillary on the low pressure side.

Typically used in the process industry for continuous level measurement in liquids. The integrated HistoROM data module makes the management of process and device parameters easy.

Designed according to IEC 61508 for use in SIL3 safety applications.

For level, volume or mass measurement in liquids.

  • Process connections: Threads and flanges

  • Temperature: -70 to +400°C (-94 to +752°F)

 

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Description

Deltabar FMD77 – differential pressure transmitter

Differential pressure transmitter with one diaphragm seal for level measurement

Field of application

The Deltabar FMD77 differential pressure transmitter with metal sensor uses a one-sided diaphragm seal or diaphragm seals on both sides with a capillary on the low pressure side. Typically used in the process industry for continuous level measurement in liquids. The integrated HistoROM data module makes the management of process and device parameters easy. Designed according to IEC 61508 for use in SIL3 safety applications.

For level, volume or mass measurement in liquids.

  • Process connections: Threads and flanges

  • Temperature: -70 to +400°C (-94 to +752°F)

  • Measuring ranges: +100mbar to +16bar (+1.5 to +240psi)

  • Accuracy: ±0.075%

  • International explosion protection certificates, overfill prevention WHG, hygienic approvals, marine approvals, SIL

Benefits

  • Large variety of different process connections and membrane materials

  • Highest safety due to gas-tight feedthrough with capabilities up to SIL2/3, certified to IEC 61508

  • New TempC Membrane minimizes influences of ambient and process temperature fluctuations

  • Easy menu-guided commissioning via local display, 4 to 20 mA with HART, PROFIBUS PA, FOUNDATION Fieldbus

  • HistoROM data management concept for fast and easy commissioning, maintenance and diagnostics

  • Cost savings with modular concept for easy replacement of sensor, display or electronics

  • Seamless and independent system integration (HART/PA/FF)

Additional information

Brand

Endress+Hauser/E+H
Measuring principle

Differential pressure
Characteristic

Digital 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 voltage

4…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 Accuracy

0,075% + influence of diaphragm seal
Long term stability

0.08 % 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 cell

100 mbar…16 bar
(40 inH20…240 psi)
Smallest calibratable span

5 mbar (0.075 psi)
Vacuum resistance

50 mbar (0.73 psi)
Max. Turn down

100 : 1
Max. overpressure limit

160 bar
(2400 psi)
Process connection

Low pressure side:
1/4-18NPT
RC1/4"
High pressure side:
Flanges (DIN, ASME, JIS)
Material process membrane

316L, AlloyC,
Tantal,
Gold-Rhodium,
PTFE
Material gaske

None, diaphragm seal welded
Fill fluid

Silicone oil,
Inert oil,
Vegetable oil
Low- temperature oil
High- temperature oil
Material housing

316L, Die-cast aluminum
Communication

4…20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
Certificates / Approvals

ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC, UK Ex
Safety approvals

SIL
Design approvals

NACE MR0175
EN10204-3.1
Specialities

Diagnostic functions
Successor

PMD78B

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