User's Manual

Parameter reference
SITRANS LR250 (HART)
Operating Instructions, 01/2014, A5E32220602-AB
135
Echo Lock (2.8.5.1.)
Note
Ensure the agitator is always running while SITR
ANS LR250 is monitoring the vessel, to
avoid stationary blade detection.
Selects the measurement verification process.
Options
Lock Off
Maximum Verification (not recommended for radar)
*
Material Agitator
Total Lock (not recommended for radar)
Related parameters
Fill Rate per Minute (2.4.2.)
Empty rate per Minute (2.4.3.)
Sampling Up (2.8.5.2.)
Sampling Down (2.8.5.3.)
For radar applications, Material Agitator is the most often-used setting, to avoid agitator blade
detection.
Sampling Up (2.8.5.2.)
Specifies the number of consecutive echoes that must appear above the echo currently
selected, before the measurement is accepted as valid.
Values
Range:
1
to
50
Default: 5
Sampling Down (2.8.5.3.)
Specifies the number of consecutive echoes that must appear below the echo currently selected,
before the measurement is accepted as valid.
Values
Range: 1 to 50
Default: 2
Echo Quality (2.8.6.)