Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 130)

IM 11M12D01-01E 8-4
2) (Under) Maintenance
"Under maintenance" is the time that starts when you move to the Execution/Setup
display by touching the Setup key on the basic panel display and ends when you return
to the basic panel display. It includes when you operates keys on lower level menu
displays of the Execution/Setup display.
3) (Under) Calibration
For Manual Calibration
"Under calibration" is the time that starts when you move to the Manual cal display
(Figure 8.4) from the Calibration display, lasts while you are operating keys for perform-
ing calibration manually, and ends when you press the End key and after a preset hold
time has elapsed.
Enter
F22E.EPS
Ch1 Manual cal.
Open span gas valve.
Set flow span gas to
600ml/min.
Valve opened
᭜ Cancel calibration
Fig. 8.4 Manual Calibration display
For Semi-Automatic Calibration
When calibration is started from the Calibration display, "under calibration" is the time
that starts when you touch the Enter key on the Semi-auto cal. display with Start
calibration selected (Figure 8.5), lasts while calibration is being performed, and ends
after a preset hold time has elapsed.
When calibration is started by a contact input, calibration is performed for all installed
channels. "Under calibration" is the time that starts when calibration is started by the
contact input, lasts while calibration is being performed sequentially, and ends after a
preset hold time for the last calibrated channel has elapsed.
Enter
F35E.EPS
Ch1 Semi-auto cal.
Check settings
Span gas conc: 2 1 . 0 0 %
Zero gas conc: 0 . 9 8 %
Cal. time: 2 min 0 0 s
Points: Span-Zero
Go to setup to change value.
Start calibration
᭜
Cancel calibration
Fig. 8.5 Semi-Automatic Calibration display
For Automatic Calibration
"Under calibration" is the time that starts when calibration is started at a preset timing,
lasts while calibration is being performed sequentially, and ends after a preset hold time
for the last calibrated channel has elapsed.