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