Still Water Zero Adjustment - Toshiba LF620F Instruction Manual

Switch operation
STEP4(=END)
Note: The measured value sent from the converter through communications is the value

8.2.14 Still Water Zero Adjustment

Zero adjustment is performed with the fluid held still in the detector's measurement pipe.
Switch operation
STEP1
STEP2
Longer
STEP3
O K
STEP4(=END)
Note 1: To start still water zero adjustment, push and hold
Note 2: Still water zero adjustment is possible only when the flow rate value is within the range of
±1.25 m/s.
If you want to cancel the adjustment when ADJ READY is displayed, push
Note 3:
returns you to the state showing the flow rate measurement value on the screen.
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Display example
DSPL SET
LOW CUT
SET OK?
ESC
O K
processed with display low cutoff.
Display example
F:ZERO
1 ZERO ADJ
2 MANUAL
3 EXIT
ESC
ZERO ADJ
1.2
%
ESC
ADJ READY
1.2
%
O K
NOW ZERO
ADJUSTING
ZERO ADJ
0.0
%
ESC
－ 78 －
Description
When you push
to confirm whether the setting is OK or not.
O K
If OK, push
setting, push N O
ESC
Pushing cancels the setting operation
and exits the setting screen.
N O
Description
Select "ZERO ADJ" from the
configuration item selection menu.
The current flow rate measurement value
appears.
Then push and hold
* Pushing ESC
menu.
The title display changes to ADJ READY,
and the converter is ready for zero
adjustment.
N O
* Pushing returns you to the previous
screen.
N O
Pushing O K starts zero adjustment.
Zero adjustment ends in several seconds and
the flow rate measured value appears.
ESC
Pushing returns you to the setting
menu.
longer.
6 F 8 A 0 9 2 8
, a message appears
. If you want to redo the
.
longer.
returns you to the setting
N O . This