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Continuation of measured
value too large
ö
Measured value jumps
sporadically with
constant level and
turbulence or agitator
blades
ú
The measured value
jumps to a lower value
or remains continuously
too low with constant
level
30
Incorrect linearisation?
no
Incorrect current
output?
Is the signal affected
by turbulence or
20 mA
agitator blades
actual
expected
4 mA
t
Multiple echoes?
20 mA
expected
actual
4 mA
t
Reenter linearisation curve
yes
see page 22 and page 23
Check values in V0H5 and V0H6
yes
and re-enter it if necessary
see page 24
• Increase integration time
yes
see page 24
• With agitator blades in
measuring range check sensor
position
see chapter 6 and page 25
• Select application parameter
0 or 2 in V0H3 see page 21
• Select application parameter 2
yes
in V0H3 see page 21
• Select a larger first echo factor 1
or 2 in V3H4 see page 26
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