Yokogawa Multi Channel Oxygen Analyzer System ZR22/AV550G - Manual (Page 120)

IM 11M12D01-01E 7-10
7.9.2 Performing Manual Calibration
1) Confirm that the zero gas flow setting valve is fully closed, then adjust supply gas
pressure to measurement gas pressure + 50kPa (but a maximum of 300 kPa) using
the valve on the gas cylinder.
2) Touch [Setup] on the touchdisplay to switch to the [Execution/Setup] display.
3) Touch [Calibration] and the Calibration display appears.
4) Touch [Manual calibration] then the [Enter] key. The Channel Select display shown
in Fig. 7.10 appears.
Enter
Ch1
᭜
Ch2
᭜ Ch3
᭜ Ch4
᭜ Ch5
᭜
Ch6
᭜
Ch7
᭜
Ch8
F7.10E.EPS
Select calibration channel
Manual cal.
Fig. 7.10 Channel Select for Manual Calibration
5) Select the channels to be calibrated (channels in warmup or error status can't be
selected). Here we describe the situation for Channel 1.
6) Select [Span calibration] and touch the [Enter] key. A display like Fig. 7.11 appears.
Enter
Manual cal.
Check the span gas
concentration value.
Next
F7.11E.EPS
Ch1
᭜
Cancel calibration
᭜
Change value: 2 1 . 0 0%
Fig. 7.11 Span Calibration setup
7) Touch [Next] and touch the [Enter] key. The display in Fig. 7.12 appears. If wiring
and piping for autocalibration has been done, span gas will start flowing at this point.
Enter
F7.12E.EPS
Ch1 Manual cal.
Open span gas valve.
Set flow span gas to
600ml/min.
Valve opened
᭜ Cancel calibration
Fig.7.12 Span Calibration start