Deltabar S
4 Endress+Hauser
Function and system design
Device selection
Deltabar S –
product family
PMD 70
P01-PMD70xxx-16-xx-xx-xx-000
With ceramic
measuring diaphragms
PMD 75
P01-PMD75xxx-16-xx-xx-xx-000
With metallic
measuring diaphragms
FMD 76
P01-FMD76xxx-16-xx-xx-xx-000
With ceramic
measuring diaphragms
FMD 77
P01-FMD77xxx-16-xx-xx-xx-000
With metallic
measuring diaphragms
and diaphragm seal
mounted on one side
FMD 78
P01-FMD78xxx-16-xx-xx-xx-003
With metallic
measuring 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,
→ see page 5, section
"Overview of
diaphragm seal
FMD 78"
Measuring ranges from -10 to +10 inH
2
O
(-25 to +25 mbar)
to -45 to +45 psi
(to -3 to +3 bar)
from -0.4 to +0.4 inH
2
O
(-10 to +10 mbar)
to -600 to +600 psi
(-40 to +40 bar)
from -40 to +40 inH
2
O
(-100 to +100 mbar)
to to -45 to +45 psi
(-3 to +3 bar)
from -40 to +40 inH
2
O
(-100 to +100 mbar)
to -230 to +230 psi
(-16 bar to +16 bar)
from - -40 to +40 inH
2
O
(-100 to +100 mbar)
to -600 to +600 psi
(-40 to +40 bar)
Overload
1
on one side: 1450 psi
(100 bar)
on both sides: 2175 psi
(150 bar)
on one side:
max. 6100 psi
(max. 420 bar)
on one side:
max. 1450 psi
(max. 100 bar)
on one side:
max. 2320 psi
(max. 160 bar)
on one side:
max. 2320 psi
(max. 160 bar)
Process temperature –40 to +185°F
(–40 to +85°C)
–40 to +248°F
(–40 to +120°C)
–40 to +185°F
(–40 to +85°C)
up to +662°F (+ 350°C) up to +662°F (+350°C)
Ambient temperature –40 to +185°F
(–40 to +85°C)
–40 to +185°F
(–40 to +85°C)
2
–40 to +185°F
(–40 to +85°C )
–40 to +185°F
(–40 to +85°C)
2
–40 to +185°F
(–40 to +85°C)
2
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 + influence from
the diaphragm seal
Supply voltage – For non-hazardous areas: 10.5 to 45 V DC
– Intrinsically safe (EEx ia): 10.5 to 30 V DC
Output 4 to 20 mA with superimposed HART protocol, PROFIBUS-PA or Foundation Fieldbus
Options – High-pressure version up to p
stat
10,000 psi (700 bar)
– PMD 75, FMD 77, FMD 78: Rhodium-Gold-coated diaphragm, NACE-compliant materials
Specialities
(options)
– Metal-free
measurement with
PVDF flange
–p
stat
up to 6100 psi
(420 bar)
– Diaphragm: tantalum
– 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
1) dependent on the lowest-rated element, with regard to pressure, of the selected components
2) lower temperature on request
+ –
+
–