6F8A0870
7.2.3Flow rate indication is not stable
START
Is power supply voltage | NO |
within the specified range? |
|
YES |
|
Are cables securely connected? NO
YES |
| |
Is the flowmeter grounded | NO | |
with 100Ωor less ground | ||
| ||
resistance? |
| |
YES |
| |
Is the detector pipe filled | NO | |
with fluid? |
|
Use a power supply within the specified range.
Connect each cable securely to the terminal board.
Ground the flowmeter with a copper braid or wire(5.5 mm² minimum) to a good earth ground.
(100Ωor less ground resistance)
Design piping so that the detector pipe is filled with fluid all the time.
YES
Is the fluid carrying bubbles?
NO
YES
Design piping so that the fluid does not carry bubbles.
Is there
NO
Contact your nearest Toshiba representative.
Install the flowmeter away from equipment producing electromagnetic or electro- static interference.
Note 1: If the detector tube is not filled with operating fluid, the flow is indefinite and measurement is impossible. Be sure to fill the detector tube with operating fluid before starting measurement.