Toshiba LF434 - Manual (Page 105)

TOSHIBA
6 F 8 A 0 7 7 0
92 Calibration Using Converter Signal Source
9.2.1 0 % Flow Kate Calibration
■ To check the ?:ero point of flow measurement:
Key operation Display example Description
Sin
□
N1:FLOW CAL OK
0.0 K
Press [SRT] first to Stan the items selection sequence
and select N1: FLOW CAL0% from among the
configuration iteras using [ ► ) and [
^ ] keys. Then
press [SET] again to go into the calibration mode
and calcúlale and display zero point using a
simulation signal.
sur
□ N1:FLOW CAL OK Pressing [SET], the system returns lo the items
selection sequence.
To change the zero and span of the converter:
Key operation Display example Description
SET
□
N1:FLOW CAL OK
0. 1 K
Press [SH'I’] first to start the items selection sequence
and select N1: RX>W CAL0% from among the
setting items using [ ► J and [
a ] keys. Then press
[SET] again to go into the calibration mode and
calculate and display zero point using a simulation
signal.
►
□ ADJUST READY
0.1 %
Pressing [ ► ]/'ADLTUiir READY” appears as
shown left and the system goes into a calibration
ready condition, (Note 1)
N1:FLOW CAL OK
* CAL. OK ADJ.
Pressing [SET], ”*CAL0% ADJ.” appears as shown
left and the system staris the zero caltbraiion, The
zero calibration takes about 3 to 6 seconds. (Note 2)
SET
□ N1:FLOW CAL OK
3. 0 %
Newly calibrated zero point appears.
SET
□ N1:FLOW CAL OK Pressing [SET], the system returns to the items
selection sequence,
Notes:
h'10 caned zero calibrations press [ a . ]. 'Jhe sy^stem reí urns to the puint where the zero point
display appCctrs.
2.Calibration lime depends on the excitation Irequency (24 y \ ? : 3 sec* 12 llz and 6 U z : fi sec).
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