2
P
roduct description
2
.
1
S
tructure
S
cope of delivery
T
he scope of delivery encompasses
:
l
VEGABAR S
14
process pressure transmitter
l
D
ocumentation
-
this operating instructions manual
2
.
2
P
rinciple of operation
A
pplication area
VEGABAR S
14
is a pressure transmitter for
measurement of gauge pressure
,
absolute pres
-
sure or vacuum
.
M
easured products are gases
,
vapours and liquids
.
F
unctional principle
T
he sensor element is the
CERTEC
®
measuring
cell with rugged ceramic diaphragm
.
T
he process
pressure causes a capacitance change in the
measuring cell via the ceramic diaphragm
.
T
his
change is converted into an appropriate output
signal and outputted as measured value
.
V
oltage supply
T
wo
-
wire electronics
4
…
20
m
A
for power supply
and measured value transmission over the same
cable
.
2
.
3
P
ackaging
,
transport and storage
P
ackaging
Y
our instrument was protected by packaging
during transport
.
I
ts capacity to handle normal
loads during transport is assured by a test
according to
DIN EN
24180
.
T
he packaging of standard instruments consists of
environment
-
friendly
,
recyclable cardboard
.
F
or
special versions
,
PE
foam or
PE
foil is also used
.
D
ispose of the packaging material via specialised
recycling companies
.
T
ransport
T
ransport must be carried out under consideration
of the notes on the transport packaging
.
N
on
-
observance of these instructions can cause dam
-
age to the device
.
T
ransport inspection
T
he delivery must be checked for completeness
and possible transit damage immediately at re
-
ceipt
.
A
scertained transit damage or concealed
defects must be appropriately dealt with
.
S
torage
U
p to the time of installation
,
the packages must be
left closed and stored according to the orientation
and storage markings on the outside
.
U
nless otherwise indicated
,
the packages must be
stored only under the following conditions
:
l
N
ot in the open
l
D
ry and dust free
l
N
ot exposed to corrosive media
l
P
rotected against solar radiation
l
A
voiding mechanical shock and vibration
S
torage and transport temperature
l
S
torage and transport temperature see chapter
"
S
upplement
-
T
echnical data
-
A
mbient con
-
ditions
"
l
R
elative humidity
20
…
85
%
3
M
ounting
3
.
1
G
eneral instructions
S
uitability for the process conditions
M
ake sure that all parts of the instrument exposed
to the process
,
in particular the sensor element
,
process seal and process
fi
tting
,
are suitable for
the existing process conditions
.
T
hese include
above all the process pressure
,
process temper
-
ature as well as the chemical properties of the
medium
.
Y
ou can
fi
nd the speci
fi
cations in chapter
"
T
ech
-
nical data
"
or on the type label
.
3
.
2
M
ounting instructions
M
ounting position
VEGABAR S
14
functions in any installation
position
.
I
t is mounted according to the same
directives as a manometer
(
DIN EN
839
-
2
).
16
VEGABAR S
14
P
roduct description
32950
-
01
-
101123