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6F8A0917
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161
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13.2.3 Flow rate indication is not stable
Use a power supply within the specified
range.
Ground the converter/detector with
Class D ground (100 or less ground
resistance) using IV wire of 5.5 mm²
minimum.
Design piping so that the detector pipe
is filled with fluid all the time.
YES
Design piping so that the fluid does not
carry bubbles.
NO
Isn't there large-current or high-
voltage cable or equipment near
the flowmeter?
YES
Install the flowmeter away from the
equipment producing electromagnetic or
electrostatic interference.
Contact your nearest Toshiba
representative.
Isn't the fluid in the detector pipe
carrying bubbles?
Is the detector pipe filled with
fluid?
Are converter and detector
grounded with Class D ground
(100 or less ground resistance)?
Is power supply voltage within
the specified range?
YES
NO
NO
YES
NO
YES
NO
START
Connect each cable securely to the
terminal block.
Aren't the cables slackened?
NO
YES