ULTRASONIC PORTABLE MILK ANALYZER
www.milkotester.com
21
Use
↑↓
(Up and
Down
) arrows to enter the new value and Press
Enter
to confirm. After dialing the last symbol press ENTER to confirm the
new value.
MENU > Settings > Set pH
(active only on request)
Set pH:
In order to calibrate the device you will need two buffer solutions with
known values, for example – one with value of pH 3 /low value/ and
the other – pH 7 /high value/.
After choosing Set
pH the
following text will appear on the display:
Remove the protective cup of the electrode.
Dip the electrode into the low value buffer solution and make sure that
the junction zone of the electrode is at least at 30 mm below the
surface of the buffer solution and leave it at rest. Now you have to
enter the known value of the “low” buffer solution. Use
↑↓
(Up and
Down
) arrows to enter the new value and Press
Enter
to confirm. After
dialing the last symbol press ENTER to confirm the new value.
The following text will appear on the display:
Set Fr. Point
-
0,540
Press ENTER
To Set
Set
pH low buffer:
x.xx
Setting
Ref. Value: xxxxx