wtw IFL 700 IQ, Operating Manual, Page: 22 / 44

Commissioning IFL 70x IQ
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Establishing time 0 ... 120 ... 600 sec Filter that ignores (interfering) echoes
whose residence time within the ultra-
sonic cone is shorter than the time defined
here.
Example: To ignore a scraper, the maxi-
mum duration of its visibility in the ultra-
sonic cone has to be entered.
Temperature 0.0 ... 15.0 ... 50.0 The temperature affects the speed of
sound in the measuring medium. This
effect can be taken into account by enter-
ing the temperature value.
Enter the average water temperature at
the average water depth of the basin.
If there are seasonal fluctuations of the
average water temperature we recom-
mend to set a different average tempera-
ture for summer and winter.
Save and quit The sensor stores all changed settings
and the display switches to the next
higher level.
Quit The display switches to the next higher
level without saving the new settings.
Setting Selection/values Explanation