Level application example
SITRANS LR250
Level
Quick Start Setting
APPLICATION
RESPONSE RATE
UNITS
OPERATION
LOW CALIBRATION POINT
HIGH CALIBRATION POINT
APPLY? (CHANGES)
Auto False Echo Suppression
If SITRANS LR250 displays a false high level, or the reading is fluctuating between the
correct level and a false high level, you can use the Auto False Echo Suppression
parameters to prevent false echo detection. See
setup
on page 41 for instructions.
7ML19985JE01
Sensor
1.0 m
Reference
Point
High
Calibration
Point
15.5 m
Low
Calibration
Point
LIQUID
SLOW
Response rate = 0.1 m/minute.
m
LEVEL
Material level referenced from Low Calibration Point.
15.5
Process empty level.
1.0
Process full level.
YES
Save new settings.
SITRANS LR250 (HART) – INSTRUCTION MANUAL
The application is a vessel that
takes an average 3 hours to fill and
3 weeks to empty.
Fill rate = 0.09 m/minute (15.5 / 180).
Response rate has been set to
slow: 0.1 m/minute, or slightly faster
than the fill rate
GRAPHIC TO BE
REVISED
Description
2.2.5. TVT (Auto False Echo Suppression)
Page 37