Siemens LR 460 User Manual
Page 56
SITRANS LR 460 – INSTRUCTION MANUAL
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3.5.3.2. Window Used
Displays the size of the window used for the previous measurement.
Window used is the closest usable window size, depending on the device
measurement resolution.
For example, if window = 1 m, the window used might be 0.96 m.
3.5.3.3. Shots
The number of echo profile samples averaged to produce a
measurement..
3.5.4. Range
3.5.4.1. Near Range
The range in front of the device (referenced from the flange face) within
which any echoes will be ignored. (This is sometimes referred to as
Blanking or Dead Zone.)
The default setting of 0.6 m avoids a false echo being triggered by
condensation or other material buildup. If no buildup is anticipated (for
example, with dry cement) then the minimum setting 0.35 m can be used.
condensation or other material buildup. If no buildup is anticipated (for
example, with dry cement) then the minimum setting 0.35 m can be used.
3.5.4.2. Far Range
Maximum distance from the reference point, within which an echo should
be considered valid.
Values
Range: 0.35 to 100 m max.
Default: 0.6 m
Default: 0.6 m
Note:
Far Range can extend beyond the bottom of the vessel.
Values
Range: 0 to 100 m max.
Default: The value of Low Calibration Point plus 20%.
Default: The value of Low Calibration Point plus 20%.
SITRAN
S LR 40
0
Sensor Reference Point
(flange face)
Low Calibration Point
High Calibration Point
Level
Near Range
Far Range