Siemens 7ML5431 Operating Instructions Manual page 131

Sampling Up (2.8.5.2.)
Specifies the number of consecutive echoes that must appear above the echo currently
selected, before the measurement is accepted as valid.
Values
Sampling Down (2.8.5.3.)
Specifies the number of consecutive echoes that must appear below the echo currently
selected, before the measurement is accepted as valid.
Values
Echo Quality (2.8.6.)
Confidence (2.8.6.1.)
Indicates echo reliability: higher values represent better echo quality. The display shows the
echo confidence of the last measurement. Echo Threshold (2.8.4.3.) defines the minimum
criterion for echo confidence.
Values
(view only)
Related Parameters
Open the menu Device – Echo Profile Utilities and click on the tab Echo Profile.
Echo Strength (2.8.6.2.)
Displays the absolute strength (in dB above 1 μV rms) of the echo selected as the
measurement echo.
Values
(view only)
Open the menu Device – Echo Profile Utilities and click on the tab Echo Profile.
Noise Average (2.8.6.3.)
Displays the average ambient noise (in dB above 1 μV rms) of a noise profile. Noise level is
a combination of transient noise and receiving circuitry. After a measurement, the values
from the previous noise shot will be displayed.
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG
Range: 1 to 50
Default: 5
Range: 1 to 50
Default: 2
0 to 99
---- Shot not used
Echo Threshold (2.8.4.3.)
-20 to 99
---- Shot not used
Parameter reference
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