Siemens SITRANS LR250 Instruction Manual page 79

2.2.5.7. Range (Auto Suppression Range)
Defines the endpoint of the Learned TVT distance. Units are defined in sensor
units.
Values
a.
b.
c.
7ML19985JE01
Go to Input > TVT Setup > Range.
Determine the actual distance from the antenna reference point to
the material surface.
Subtract 0.42 m (16.5") from this distance, and enter the result.
Display before Auto False Echo Suppression
Example after Auto False Echo Suppression
false echo
false echo
SITRANS LR250 (HART) – INSTRUCTION MANUAL
Range: 0.00 to 20.00 m
Default: 1.00 m
Default
TVT
TVT
Hover Level
learned
TVT curve
Window
Echo
Marker
liquid
level
Page 75