Siemens 7ML5431 - Page 239

Appendix A: Technical reference
A.2 Echo Processing
SITRANS LR250 with mA/HART
Operating Instructions, 10/2019, A5E32220602-AG
239
Example before Auto False Echo Suppression
①
default TVT
⑤
high calibration point = 0
②
false echo
⑥
obstruction at 1.3. m
③
material echo
⑦
material level at 3.2 m
④
sensor reference point
Example after Auto False Echo Suppression
Auto False Echo
Suppression
Range set to 2 m
①
learned TVT
④
default TVT
②
false echo
⑤
material echo
③
Auto False Echo Suppression Range
⑥
echo marker