E
lectrical protective measures
P
rotection class
-
H
ousing
,
standard
IP
66
/
IP
67
17
)
-
A
luminium and stainless housing
(
op
-
tionally available
)
IP
68
(
1
bar
)
18
)
-
T
ransmitter in
IP
68
version
IP
68
-
E
xternal housing
IP
65
O
vervoltage category
III
P
rotection class
II
A
pprovals
D
epending on the version
,
instruments with approvals can have di
ff
erent technical data
.
F
or these instruments
,
the corresponding approval documents have to be taken into account
.
T
hese are part of the delivery or can be downloaded under www
.
vega
.
com via
"
VEGA T
ools
"
and
"
serial number search
"
as well as via
"
D
ownloads
"
and
"
A
pprovals
"
.
17
)
I
nstruments with gauge pressure measuring ranges cannot detect the am
-
bient pressure when submerged
,
e
.
g
.
in water
.
T
his can lead to falsi
fi
cation
of the measured value
.
18
)
O
nly with instruments with absolute pressure ranges
.
62
VEGABAR
64
•
F
oundation
F
ieldbus
10
S
upplement
28259
-
EN
-
081209