KROHNE OPTIWAVE 7300 C Handbook page 62

OPERATION
6
Menu No.
C.1.15
C.1.16
C.1.17
C.1.19
C.1.19.1
C.1.19.2
C.1.20
C.1.21
62
Function Function description
tracing velocity This function sets the
maximum rate of change of
level. The measured value
cannot change faster than the
tracing velocity.
multiple Multiple reflections will cause
reflections the instrument to display
smaller readings. Objects in
the tank, sharp corners,
installation of the instrument
on a large nozzle or at the
centre of a dome roof can
cause multiple reflections. A
very calm surface or a tank
with a small convex or flat
roof can also cause multiple
reflections.
empty This function filters
spectrum interference signals.
on/off Interference signals are the
result of fixed and moving
obstacles inside the tank. If
you must use this function,
record an empty spectrum
first. This is done in the Quick
setup menu under empty
spectrum (A.1.3.0).
units for tables Sub-menu for volume and
mass conversion operations.
table length The length unit used in the
unit conversion table. If "free unit"
is selected, the unit
instrument uses the unit
name in menu item C.5.1.7.
conversion unit The volume or mass unit used
in the conversion table. If
"free unit" is selected, the
unit instrument uses the unit
name in menu item C.5.1.9.
product density A value greater than 0 that is
used with a volume
conversion table to calculate
mass. This menu item is not
available if you have selected
a mass unit.
volume/mass The instrument uses this
table table to display volume and
mass readings. Give the
number of entries on the
table. Press ^. Type in the
level and corresponding
volume/ mass values.
min-max:
0.001...10.000 m/min /
0.003...32.8 ft/min
yes; no
on; off
m, cm, mm, inch, ft, free unit
m3, L, US gal, GB gal, ft3, bbl,
Tons, Kg, US Tons, GB Tons,
free unit
0...20000 kg/m3
Number of entries min.-max:
0...50
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OPTIWAVE 7300 C
Selection list
01/2008 • 4000172401 - HB OPTIWAVE 7300 R03 en
Default
0.5 m/min /
1.64 ft/min
no
off
m
m3
0
0. Table
units are
selected in
menu items
C.1.19.1
and
C.1.19.2.