VEGA VEGAWELL 72 4 … 20 mA - Manual (Page 10)

3 .2 Principle of operation
VEGAWELL 72 is used for level and gauge measurement in
wells, basins and atmospherically open vessels particularly in
the water/waste water industry as well as in the shipbuilding
industry.
1)
T
he actual sensor element is the CERTEC ® measuring cell
with rugged ceramic diaphragm. The hydrostatic pressure
causes a capacitance change in the measuring cell via the
ceramic diaphragm. This change is converted into an
appropriate output signal.
T
wo-wire electronics 4 … 20 mA for power supply and
measured value transmission on the same cable.
T
he supply voltage range can differ depending on the
instrument version.
D ata for power supply are specified in chapter "Technical
data".
3 .3 Operation
VEGAWELL 72 with 4 … 20 mA electronics has no adjustment
option.
3 .4 Packaging, transport and storage
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 environ-
ment-friendly, recyclable cardboard. For special versions, PE
foam or PE foil is also used. Dispose of the packaging material
via specialised recycling companies.
T
ransport must be carried out under consideration of the notes
on the transport packaging. Nonobservance of these instruc-
tions can cause damage to the device.
T
he delivery must be checked for completeness and possible
transit damage immediately at receipt. Ascertained transit
damage or concealed defects must be appropriately dealt
with.
1) F or use in closed vessels under vacuum, VEGAWELL 72 is available with
absolute pressure measuring ranges.
Application range
Functional principle
Voltage supply
Packaging
Transport
Transport inspection
10 VEGAWELL 72 • 4 … 20 mA
3 P roduct description
27501
-EN
-080806