Toshiba Tohsiba Electromagnetic Flowmeter Converter L5232 - Manual (Page 161)

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13.2.2 Flow rate indication is not correct
YES Connect the two load resistors in series,
if necessary.
Contact your nearest Toshiba
representative.
Aren't there two load resistors
connected to the output in
parallel?
YES
NO
NO
Set it correctly according to 8.
“Parameter Settings/Adjustment.”
Perform zero adjustment according to 6.
“Operation” and 8.5 “Zero Adjustment.”
Is zero point correctly set?
Is the velocity range correctly
set?
YES
NO
YES
NO
START
Set the exciting current correctly
according to 8. “Parameter Settings.”
Clean the inside wall of the detector pipe
to remove the deposits. Isn't the inside wall of detector
pipe or electrode contaminated?
Is the exciting current correct?
NO
YES
YES
NO
Design the output circuit so that the
output load resistance is less than 1 k .
Is the output load resistance 1k
or less?
Is accuracy calculated as follows?
NO
Calculate as shown on the left.
100 (%)
YES
(Actual flow rate) (Measured flow rate)
Actual flow rate