Siemens sitrans LR250 Mise En Service Rapide page 19

Use a setting just faster than the maximum filling or emptying rate (whichever is greater).
Slower settings provide higher accuracy; faster settings allow for more level fluctuation
2.3. Sensor Units
Selects the units for the Quick Start variables (high and
low calibration point, and level, distance, or space).
2.4. Operation
sensor
reference
point
sensor
reference
point
NO
SERVICE
LEVEL
Operation
types
SPACE
DISTANCE
2.5. Low Calibration Point
Distance from Sensor Reference to Low Calibration Point: usually process empty level. See
Operation (2.4.) for an illustration.
Range: 0.0000 to 20.000 m
Values
2.6. High Calibration Point
Distance from Sensor Reference to High Calibration Point: usually process full level. See
Operation (2.4.) for an illustration
Range: 0.0000 to 20.000 m
Values
2.7. Apply? (Apply changes)
In order to save the Quick Start settings it is necessary to select Yes to apply changes.
Options
Display shows DONE when Quick Start is successfully completed.
Press Mode to return to Measurement mode. SITRANS LR250 is now ready to operate..
7ML19985QX81
The SITRANS LR250 stops updating measurements and associ-
ated loop current. Last valid measurement is displayed.
Distance to material surface referenced from Low Calibration
Point (process empty level).
Distance to material surface referenced from High Calibration
Point (process full level).
Distance to material surface referenced from Sensor Reference
Point.
.
YES, NO
SITRANS LR250 (HART) – QUICK START MANUAL
M, CM, MM, FT, IN
Options
distance
high cal.
point
space
level
sensor
reference
point
low
cal.point
Page EN-17