Siemens SITRANS L, Руководство по эксплуатации, Страница: 123 / 269

Parameter reference
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH
123
Select units for either volume or level.
Level values m, cm, mm, ft, in, %
Volume values liter, gal, ImpGal, %
Percent value * %
Temperature Units (2.3.4.)
Selects the engineering unit to be displayed with the value representing temperature.
Options DEGC, DEGF, DEGR, K
* DEGC
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
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 7200 seconds
Default: 100 s
Calibration (2.3.7)