18
With increased foam build-up the setting [MEdI] = [MId] is recommended
7.2.7 Notes on tank adjustment
Tank adjustment (parameter [tREF]) reduces the effect of interference and
ensures a higher excess gain in difficult application conditions.
Carry out the tank adjustment only when the unit is installed.
For the tank adjustment it is necessary to enter an "adjustment distance" first.
Within this distance, starting from the process connection, interfering reflections
are compensated.
►
Select an adjustment distance (a) so that the connection piece (S) and
structures in the tank (B) are completely detected.
►
Observe safety distance (b
≥
250 mm) to the level or the end of the probe.
b
a
B
S
a:
b:
S:
B:
adjustment distance (min: 10 mm; max: L - 250 mm)
safety distance to the level or the end of the probe: b ≥ 250 mm
connection piece
structures in the tank
For probe lengths L < 260 mm no tank adjustment is possible. The
parameter [tREF] is then not available. In this case:
►
Adhere to all indicated installation distances
.
