DBI (HART) INSTRUCTION MANUAL
36
P105 Empty Level
This parameter is to be set to the maximum distance from the face of the
transducer to the empty point, in
P104
Measurement
Units
. Note this value
affects span as well, so should be set before span.
Default: dBi 3 = 3.00m
(9.84 feet), dBi 6 = 6.00m (19.69 feet), dBi 10 = 10.00m (32.81 feet)
and
dBi 15 = 15.00m (49.21 feet)
.
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 dBi 3 = 2.80m (9.19 feet), dBi 6 =
5.70m (18.70 feet),
dBi 10 = 9.70m (31.82 feet)
and
dBi 15 = 14.5m
(47.57)
P107 Near Blanking
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 dBi Series Intelligent Transducer being used. It should not be set to less
than this figure but can be increased.
DBI VERSION
NEAR BLANKING DISTANCE
dBi 3 metre
Default Blanking Distance = 0.25m (0.66 feet)
dBi 6 metre
Default Blanking Distance = 0.3m (0.98 feet)
dBi 10 metre
Default Blanking Distance = 0.3m (0.98 feet)
dBi 15 metre
Default Blanking Distance = 0.5m (1.64 feet)
P108 Far Blanking
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.
Summary of Contents for dBi 10
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