Deltabar S
4 Endress+Hauser
Function and system design
Device selection
Deltabar S –
product family
PMD70
P01-PMD70xxx-16-xx-xx-xx-000
With ceramic process
isolating diaphragms
PMD75
P01-PMD75xxx-16-xx-xx-xx-000
With metallic process
isolating diaphragms
FMD76
P01-FMD76xxx-16-xx-xx-xx-000
With ceramic process
isolating diaphragms
FMD77
P01-FMD77xxx-16-xx-xx-xx-000
With metallic process
isolating diaphragms
and diaphragm seal
mounted on one side
FMD78
P01-FMD78xxx-16-xx-xx-xx-003
With metallic process
isolating diaphragms and
capillary diaphragm
seals
Field of
application
–Flow
– Level
– Differential pressure
–Flow
– Level
– Differential pressure
– Level – Level – Level
– Differential pressure
Process
connections
– 1/4 – 18 NPT
–RC 1/4
–1/4 – 18 NPT
–RC 1/4
Low-pressure side (–):
– 1/4 – 18 NPT
–RC 1/4
High-pressure side (+):
– DN 80 – DN 100
– ANSI 3" – 4"
– JIS 80A – 100A
Low-pressure side (–):
– 1/4 – 18 NPT
–RC 1/4
High-pressure side (+):
–DN 50 – DN 100
–ANSI 2" – 4"
– JIS 80A – 100A
– Wide range of
diaphragm seals
Measuring ranges from –25...+25 mbar
to –3...+3 bar
from –10...+10 mbar
to –40...+40 bar
from –100...+100 mbar
to –3...+3 bar
from –100...+100 mbar
to –16 bar...+16 bar
from –100...+100 mbar
to –40...+40 bar
Overload
1
on one side: max. 100 bar
on both sides: max. 150 bar
on one side: max. 420 bar
on both sides: max. 630 bar
on one side: max. 100 bar on one side: max. 160 bar on one side: max. 160 bar
on both sides: max. 240 bar
Process
temperature range
–20...+85°C
(–4...+185°F)
–40...+120°C
(–40...+248°F)
–20...+85°C
(–4...+185°F)
up to + 400°C (+752°F) up to +400°C (+752°F)
Ambient
temperature range
–20...+85°C
(–4...+185°F)
–40...+85°C
(–40...+185°F)
2
–20...+85°C
(–4...+185°F)
–40...+85°C
(–40...+185°F)
2
–40...+85°C
(–40...+185°F)
2
Ambient
temperature range
separate housing
–40 to +60°C (–40 to +140°F)
Reference
Accuracy
–Up to 0.075% of the set span
–PLATINUM version: up to 0.05% of the set span
–Up to 0.075 % of the set span
Supply voltage – For non-hazardous areas: 10.5...45 V DC
– Ex ia: 10.5...30 V DC
Output 4...20 mA with superimposed HART protocol, PROFIBUS PA or FOUNDATION Fieldbus
Options – High-pressure version up to p
stat
700 bar
– PMD75, FMD77, FMD78: Gold-Rhodium-coated process isolating diaphragm, NACE-compliant materials
– Separate housing
Specialities
(options)
– Metal-free measurement
with PVDF flange
– Available with Deltatop
as flow compact device
–p
stat
up to 420 bar
– Process isolating
diaphragm: tantalum
– Available with Deltatop
as flow compact device
– Abrasion-resistant and
corrosion-resistant
– No diaphragm-seal
temperature effects
– Metal-free
measurement possible
with ECTFE-coated
process connection
–For high media
temperatures
– Wide range of
diaphragm seals
–HistoROM
®
/M-DAT memory module
1) dependent on the lowest-rated element, with regard to pressure, of the selected components
2) lower temperature on request
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