6 FUNCTIONALITIES
43
6.2.3
AIC history (optional)
Press the [AIC HISTORY] button on the MENU/HISTORY screen. The latest AIC history will
be displayed.
Fig. 54 AIC HISTORY screen
For each measurement component, the concentration value before zero calibration, the
concentration value before span calibration, the span gas concentration value, and unit are
displayed. The concentration before zero calibration is the concentration value of zero gas at
the end of WAIT time set in the AIC SEQUENCE screen. The concentration before span
calibration is the concentration value of span gas at the end of WAIT time set in the AIC
SEQUENCE screen. If the flow time of zero gas or span gas is shorter than WAIT time, "----" is
displayed. The span gas concentration is the concentration value used in span calibration dur-
ing the AIC sequence.
If an alarm occurs within the AIC sequence period, the alarm record is also displayed with the
history data.
Data time differs depending on the status of AIC sequence. Refer to "Table 2 Data time."
Table 2 Data time
For the screen functionalities, see "
�
Operation of the HISTORY screens" (page 40).
Note
�
For the details of alarms, see
8.2 Alarm List
(page 82).
�
A maximum of 16 alarms can be displayed in high-priority order.
If the 17th or later alarms occur within the same calculation period, these alarms are not
displayed.
Data time
Alarm icon
Concentration before zero calibration
Concentration before span calibration
Span gas concentration
AIC sequence
AIC SEQUENCE screen
Time added to data
WAIT time for
zero gas
WAIT time for
span gas
Normally completed
more than 1 min
more than 1 min
Time when WAIT time for span gas is finished
0 min
more than 1 min
Time when WAIT time for span gas is finished
more than 1 min
0 min
Time when WAIT time for zero gas is finished
Canceled
-
-
Time when the AIC sequence is canceled
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