Siemens SITRANS LUT400 Operating Instructions Manual page 49

Mode
LEVEL
SPACE
DISTANCE
OTHER
Temperature Source
Source of the temperature reading used to adjust the speed of sound.
Options
Temperature Source
See
Fixed Temperature
Use this feature if a temperature sensing device is not used.
Value
This parameter is only displayed if FIXED TEMPERATURE selected for Temperature
Source.
Units
Sensor measurement units.
Options
For the purpose of this example, all values are assumed to be in meters (m).
Note:
High Calibration Point
Distance from Sensor Reference Point to High Calibration Point: usually process full
level.
Value
A5E33329501 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Description
* Height of material
Distance to material surface
Do NOT select.
If Operation value displays as
OTHER, the device is configured as a
level controller, but has been set pre-
viously to a mode other than LEVEL,
SPACE, or DISTANCE.
The operation mode must be set to
LEVEL, SPACE, or DISTANCE to pro-
ceed with the QS Level Wizard.
TRANSDUCER, FIXED TEMPERATURE, EXTERNAL TS-3, AVERAGE OF SEN-
SORS
Default: TRANSDUCER
on page 181 for more details.
Range: -100.0 to +150.0 °C
Default: +20.0 °C
M, CM, MM, FT, IN
Default: M
Range: 0.000 to 60.000
Default: 0.000
Reference point
Low Calibration Point
(process empty level)
High Calibration Point
(process full level)
Sensor Reference Point
Page 41