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NG # 006224-HW-ENDRESS-024
The Deltabar FMD77 is a differential pressure transmitter equipped with a robust metal sensor and diaphragm seal configuration for accurate, continuous level measurement in liquid applications. Its integrated HistoROM module simplifies handling and storage of process and device parameters, ensuring reliable operation in demanding process environments.
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Stock
Custom Pricing
Get A QuoteDesigned for safety-critical applications, the FMD77 meets IEC 61508 requirements for SIL3 use. It supports one-sided or dual diaphragm seals with capillary connection on the low-pressure side, delivering stable performance for level monitoring in the process industry. The device offers efficient parameter management and long-term operational reliability.
Differential pressure
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
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)
0,075% + influence of diaphragm seal
0.08 % of URL/ year
0.14 % of URL/ 5 years
0.27 % of URL/ 10 years
-40°C...400°C
(-40°F...752°F)
-50°C...85°C
(-58°F...185°F)
100 mbar...16 bar
(40 inH20...240 psi)
5 mbar (0.075 psi)
50 mbar (0.73 psi)
100:1
160 bar
(2400 psi)
Low pressure side:
1/4-18NPT
RC1/4"
High pressure side:
Flanges (DIN, ASME, JIS)
316L, AlloyC,
Tantal,
Gold-Rhodium,
PTFE
None, diaphragm seal welded
Silicone oil,
Inert oil,
Vegetable oil
Low- temperature oil
High- temperature oil
316L, Die-cast aluminum
4...20 mA HART
PROFIBUS PA
FOUNDATION Fieldbus
ATEX, FM, CSA, CSA C/US, IEC Ex, INMETRO, NEPSI, EAC, UK Ex
SIL
NACE MR0175
EN10204-3.1
Diagnostic functions
PMD78B
Differential pressure Deltabar FMD77
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