8205
E-19-
pH CONTROLLER 8205
4 OPERATION
0......9
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
0......9
ENTER
ENTER
PH CALIB
PH
=
9.25
1 POINT
PH
=
7.00
CALIB . . .
2 POINTS
BUFFER 1
PH
=
07.05
CALIB . . .
RINSE
BUFFER 2
PH
=
00.00
PH
=
04.00
CALIB . . .
PH
=
9.25
PH
=
00.00
Immerse electrode in
buffer solution and confirm
Immerse electrode in
buffer solution and confirm
Immerse electrode in
buffer solution and confirm
To escape electrode calibration, press
+
simultaneously for 2s.
Previous calibration values are kept.
The message "
WARNING
" at the end of calibration indicates
a buffer solution error or advanced ageing of the electrode.
In this case, a change of electrode must be foreseen.
The message "
ERROR
" at the end of calibration indicates a
buffer solution error or that the electrode is out of tolerances.
In this case, values of previous calibration are kept. The
electrode must be changed, otherwise the measured values
would be erroneous.
OFF
=
-18.6
SP
=
57.53
OFF
=
-5.1
Automatic confirmation
(approx. 20 s.) or press
ENTER
Enter buffer value
Automatic confirmation
(approx. 20 s.) or press
ENTER
Enter buffer value
Automatic confirmation
(approx. 20 s.) or press ENTER
Press Enter fo 5 sec.
0......9
