Endress+Hauser Deltabar FMD71
Electronic differential pressure
- Overview +
- Comments +
fmd71 is an electronic differential pressure system utilizing two ceramic sensor modules and one transmitter.
Measuring principle
Differential pressure
Characteristic / Application
Electronic differential pressure transmitter with ceramic sensor (Ceraphire) for level, volume or mass measurement in liquids.
Supply / Communication
4...20 mA HART:
12...45V DC
Exia: 12...30V DC
Accuracy
0.075% of individual sensor,
"PLATINUM" 0.05% of individual sensor
Long term stability
0.05% of URL/year of individual sensor
Ambient temperature
40...+80В°C
(40...+176В°F)
Process temperature
25...+150В°C
(13...+302В°F)
Process pressure absolute / max. overpressure limit
60 bar (900 psi)
Pressure measuring range
100mbar...40bar
(1.5psi...600psi)
Process connection
Threads
Flanges (DIN, ASME, JIS)
Process connection hygienic
DIN11851
DIN11864-1
Tri-Clamp
DRD
Varivent
Communication
4...20 mA HART
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, NEPSI, INMETRO
Design approvals
NACE MR0175
EN10204-3.1
Hygienic approvals
FDA
3A
Options
4-line digital display
SS- or Aluminium housing
Application limits
Use Software Applicator Sizing Electronic DP
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...+150В°C
(13...+302В°F)
Ambient temperature
40...+80В°C
(40...+176В°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
Design approvals
NACE MR0175,
EN10204-3.1,
Hygienic approvals
EHEDG,
3A
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