Справочник Пользователя для Siemens LR 460
Page 54
SITRANS LR 460 – INSTRUCTION MANUAL
7ML19985JM01
mmmmm
Pa
ra
m
e
te
rs
3.5.2. Echo select
3.5.2.1. Echo Algorithm.
Selects the algorithm to be applied to the echo profile to extract the true
echo.
Use Echo Confidence to determine which algorithm gives the highest
confidence under all level conditions. If the wrong echo is processed,
observe the echo processing displays and select an alternate algorithm.
confidence under all level conditions. If the wrong echo is processed,
observe the echo processing displays and select an alternate algorithm.
3.5.2.2. Echo Threshold Long
Sets the minimum echo confidence that the echo must meet in order to
prevent a Loss of Echo condition and the expiration of the LOE timer. When
Echo Confidence exceeds the Confidence Threshold, the echo is
evaluated.
Use this feature when an incorrect material level is reported.
3.5.2.3. Echo Marker
The point on the selected echo from which the measured value is taken.
Options
TF
First echo above TVT is selected.
ALF
Area, Largest, and First combination
A
long range Area only
L
long range Largest only
*
F
First large echo
AL
Area and Largest average
AF
long range Area and First average
LF
long range Largest and First average
BLF
Best of First and Largest
Related
parame-
ters
parame-
ters
•
•
•
Values
Range: 0 to 99
Default: 10
Default: 10
Related
Parameters
Parameters
LOE Timer