-
I
nspection window
P
olyester foil
P
ower supply
O
perating voltage
-
N
on
-
E
x instrument
14
…
36
V DC
-
EE
x
-
ia instrument
14
…
30
V DC
-
EE
x
-
d
-
ia instrument
20
…
36
V DC
O
perating voltage with lighted indicating and adjustment module
-
N
on
-
E
x instrument
20
…
36
V DC
-
EE
x
-
ia instrument
20
…
30
V DC
-
EE
x
-
d
-
ia instrument
20
…
36
V DC
P
ermissible residual ripple
-
<
100
H
z
U
ss
<
1
V
-
100
H
z
…
10
k
H
z
U
ss
<
10
m
V
L
oad
see diagram
1000
750
500
250
14
18
16
20
22
24
26
28
30
32
34
36
Ω
V
4
1
2
3
F
ig
.
37
:
V
oltage diagram
1
HART
load
2
V
oltage limit
EE
x
-
ia instrument
3
V
oltage limit non
-
E
x
/
E
xd instrument
4
O
perating voltage
E
lectrical protective measures
P
rotection
,
depending on housing version
-
P
lastic housing
IP
66
/
IP
67
-
A
luminium housing
,
stainless steel
housing
-
investment casting
,
stainless
steel housing
-
electro
-
polished
IP
66
/
IP
68
(
0
.
2
bar
)
4
)
-
A
luminium and stainless housing
,
in
-
vestment casting
(
optionally available
)
IP
66
/
IP
68
(
1
bar
)
4
)
A
suitable cable is the prerequisite for maintaining the protection rating
.
58
VEGAFLEX
62
•
4
…
20
m
A
/
HART
two
-
wire
10
S
upplement
31837
-
EN
-
090831