Siemens Sitrans LR250, Operating Instructions Manual, Page: 113 / 306

Parameter reference
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
111
Material (2.3.5.)
Automatically configures the device to operate in the chosen application type, by changing one
or more of the following parameters: Propagation Factor (2.5.3.), Position Detect (2.5.7.2.),
and/or CLEF Range (2.5.7.4.).
Options * LIQUID
LIQUID LOW DK
a)
(low dielectric liquid - CLEF algorithm enabled)
Related parameters Propagation Factor (2.5.3.)
Position Detect (2.5.7.2.)
CLEF Range (2.5.7.4.)
a)
dK < 3.0
You can configure each of the related parameters, to suit your particular application.
LOE Timer (2.3.6.)
Note
When a Loss of Echo occurs Value (2.6.9.2.) determines the material level to be reported
when LOE Timer expires. See Loss of Echo (LOE) (Page 240) for more detail.
Sets the time to elapse since the last valid reading, before the Fail-safe material level is
reported.
Values Range: 0 to 720 seconds
Default: 100 s
Calibration (2.3.7)
Note
We recommend using the Quick Start wizard to configure the device.