VEGA VEGAFLEX 54K - Manual (Page 25)

VEGAFLEX 54K 25
Setup
6. Useful level and noise level
In the menu "Info" you get important informa-
tion on the signal quality of the product echo.
The higher the "
S-N" value, the more reliable
the measurement.
Ampl.: Means amplitude of the product echo
in dB (useful signal level)
S-N: Means Signal-Noise (useful signal
level minus noise level)
The higher the S-N value (useful signal
level minus noise level), the higher the reliabil-
ity:
> 30 dB
Measurement good
10 … 30 dB Measurement satisfactory
< 10 dB Measurement bad