Toshiba LF434 - Manual (Page 70)

TOSHIBA
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8.2.B Zero Adjustment
To cond^ict Ihe zero adjustment of :he flowmeter, ihe fluid in the detector pipe must be
held stilL (if the fluid cannot be stilled by any means, sec 8,2.16, ‘‘Zero Offset
Adjustment/")
To Stan the zero adjustment, follow the procedure described below.
The zero adjustment for models wiihoui l.CD display can he conducted with the switch in
the converter. See 6.2, “Zero Adjustmcni" for details.
Key operation Display example Description
SET
El: ZERO DJUST
OE 0 %
Press [SET] first to start the items selection
¡sequence and select El: ZEROADJUifr from among
the configuration items using [ ► ] and [
a j keys.
Then press [SEl ] again to display the current flow
rale (1,0% in this example).
►
ADJUST READY
ai. 1
%
Pressing [ ► ], “AllJUSl'READY” appears ajj shown
:cfl and the system is ready for zero adjustment.
(Note 1)
SE'l
□
4 ZERO ADJUST
Pressing [SET], ZERO ADJUST’’ appears as
shown left and the system starts the zero adjustment.
The zero adjustment takes about 3 to 6 seconds,
(Note 2)
El: ZERO ADJUST Newly adjusted zero point Eippears.
00. 0 %
SET
□
El: ZERO ADJUST Pressing [SET], the system returns to the items
selection sequence*
Notes
1
.
2
.
To cancel the zero adjustment, press [ a ]. The system returns to the point
w^here zero point is displavüd.
Zero adjustment duration depends on the excitation frequency
(24 I I z : 3 sec, 12 Hz and 6 Hz: 6 sec).
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