Cell Blank - Hitachi 902 Service Manual

7.5.6 Cell Blank

Function : The cell blank value is measured for all cells (48 cells).
Required time : 10 min 24 sec (reset 20 sec + 12 sec/cycle × 52 cycles)
Processing
No.
1) Start from MAINTENANCE screen
2) Refer to the next page.
3) At cell blank measurement, operation is checked and
alarm is displayed if operation is abnormal.
4) The above alarm is stored in FD.
5) Raw abbsorbance values and difference data for all cells
(48 cells) are printed on the report and all raw absorbance
values are saved in FD.
Remarks
START
MAINTENANCE screen
No
Cell blank
measurement
required?
Input "Start"
Cell blank measurement
Data output
Input of "End"
Operation check
END
Details of Processing
1)
Judgement
by operator
Yes
2)
Abnormal
7 - 44
5)
Cell blank data
print
Storage of cell
blank data
FD
3)
Alarm
indication
4)
FD
(alarm logging)
Reference Document
Screen specifications
Screen specifications
Alarm code specifications
Report specifications
FD specifications