IMP LITE INSTRUCTION MANUAL
24
P106 Span
This parameter should be set to the maximum distance from the
Empty
Level
(
P105
) to the maximum material level. It is automatically set to be
equal to the
Empty
Level
(
P105
) less the
Near
Blanking
distance (
P107
)
when you set the empty level.
Default IMP 3 = 2.80m (9.19 feet), IMP 6 =
5.70m (18.70 feet)
and
IMP 10 = 9.70m (31.82 feet).
P107 Near Blanking Distance
This parameter is the distance from the face of the transducer that is not
measurable and is pre-set to the minimum value dependant on the version
of IMP Lite
being used. It should not be set to less than this figure but can
be increased.
OPTION
DESCRIPTION
Lite 3 metre
Default Blanking Distance = 0.2m (0.66 feet)
Lite 6 metre
Default Blanking Distance = 0.3m (0.98 feet)
Lite 10 metre
Default Blanking Distance = 0.3m (0.98 feet)
P107 Near Blanking Distance
This is the distance (as a
percentage
of empty level) beyond the empty
point that the unit will be able to measure, and the
default
is pre-set to
10%
of the empty level.
If the surface being monitored can extend beyond the
Empty
Level
(
P105
)
then the far blanking distance can be increased to a maximum of 100% of
empty level.
This parameter is always entered as a % of empty level.
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