SITRANS P measuring instruments for pressure
Remote seals
Measuring setups without remote seals
2/186
Siemens FI 01 · 2009
2
Measuring setups for closed containers
r
H
o
Hu
Level measurement, Version 1
S
t
ar
t
-
o
f-
sc
ale:
D
p
MA
=
r
· g · H
U
Full-
sc
ale:
D
p
ME
=
r
· g · H
O
Legend
D
p
MA
S
t
ar
t
-
o
f-
sc
ale
v
alue
to
be
s
e
t
D
p
ME
Full-
sc
ale
v
alue
to
be
s
e
t
r
De
ns
i
t
y
o
f medium i
n
v
e
ss
el
g
L
oc
al a
cc
elera
t
i
on
due
to
gra
v
i
t
y
H
U
S
t
ar
t
-
o
f-
sc
ale
v
alue
H
O
Full-
sc
ale
v
alue
Maximum le
v
el
S
t
ar
t
-
o
f-
sc
ale
v
alue
Full-
sc
ale
v
alue
Tra
ns
mi
tt
er
refere
nc
e li
n
e
S
t
a
t
i
c
p
re
ss
ure
Ga
s
-filled
n
ega
t
i
v
e
p
re
ss
ure li
n
e
Maximum level
H
r
r
r
'
H
v
Hu
2
2
1
o
Separation layer measurement
S
t
ar
t
-
o
f-
sc
ale:
D
p
MA
= g · (H
U
·
r
1
+
(H
O
-
H
U
) ·
r
2
-
H
V
·
r
'
2
)
Full-
sc
ale:
D
p
ME
= g · (H
O
·
r
1
-
H
V
·
r
'
2
)
Legend
D
p
MA
S
t
ar
t
-
o
f-
sc
ale
v
alue
to
be
s
e
t
D
p
ME
Full-
sc
ale
v
alue
to
be
s
e
t
r
1
De
ns
i
t
y
o
f hea
v
ier liquid wi
t
h
s
e
p
ara
t
i
on
layer
i
n
v
e
ss
el
r
2
De
ns
i
t
y
o
f ligh
t
er liquid wi
t
h
s
e
p
ara
t
i
on
layer
r
'
2
De
ns
i
t
y
o
f liquid i
n
t
he
n
ega
t
i
v
e
p
re
ss
ure li
n
e
(
co
rre
spon
di
n
g
to
t
he
t
em
p
era
t
ure exi
st
i
n
g
t
here)
g
L
oc
al a
cc
elera
t
i
on
due
to
gra
v
i
t
y
H
U
S
t
ar
t
-
o
f-
sc
ale
v
alue
H
O
Full-
sc
ale
v
alue
H
V
Di
st
a
nc
e be
t
wee
n
t
he mea
s
uri
n
g
po
i
nts
(
sp
ig
ots
)
Max
.
s
e
p
ara
t
i
on
layer
S
t
ar
t
-
o
f-
sc
ale
v
alue
Full-
sc
ale
v
alue
S
t
a
t
i
c
p
re
ss
ure
C
onst
a
nt
le
v
el
S
t
a
t
i
c
p
re
ss
ure
Tra
ns
mi
tt
er
refere
nc
e li
n
e
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