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7.2.2 Flow rate indicated is not correct
START
Is the flow range correctly
set?
Is zero point correctly set?
Is the excitation current
value as stated on the
flow direction tag?
Is the inside wall of detector
pipe contaminated?
Is the output load resistance
as specified?
Are there two load
resistors connected to
the output in parallel?
Is accuracy calculated as follows?
(Measured flow rate)-(Actual flow rate)
Actual flow rate
Contact your nearest Toshiba
representative.
NO
YES
NO
YES
NO
YES
YES
NO
NO
YES
YES
NO
×
100%
YES
Set correctly.
Refer to combined converter's manual.
Perform the zero adjustment.
Refer to combined converter's manual.
Set correctly.
Refer to combined converter's manual.
Clean the inside of the detector pipe.
Design the output circuit so that the
output load resistance is less than
750
.
Ω
Connect the two load resistors in
series, if necessary.
NO
Calculate as shown on the left.
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Troubleshooting
