2 flow rate indicated is not correct – Toshiba LF414 User Manual
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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
Ω
.
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 necessary.
YES
NO
NO
YES
Contact your nearest Toshiba
representative.
START
Is accuracy calculated as follows?
(Measured flow rate)-(Actual flow rate)
Actual flow rate
Ч
100%