NAVI F-52, Instruction Manual

Page: 57 / 270

Chapter 3 pH MEASUREMENT
3.4 Calibration Setting
44 HORIBA
3.4
Calibration Setting
3.4.1 Setting standard solution
In the pH CALIBRATION SETUP screen, the standard solution used in the calibration can be
set. There are three types of standard solutions available, NIST specification, USA specifica-
tion, and Custom (exclusive use for the user).
Under the initial setting, NIST specification is selected.
1.
Press F1 (CAL SETUP) in the CAL
screen.
The pH CALIBRATION SETUP
screen appears.
Pressing F1 key in the pH SETUP screen
also shows the pH CALIBRATION SETUP
screen.
To perform calibration with the standard solution other than NIST or USA specifications,
select “Custom” option.
Note that selecting “Custom”for the standard solution in the calibration setting makes the pre-
liminary check function unavailable.
"
●
Repeatability check" page 35
"3.4.5 Preliminary check setting" page
48
Setting procedure
1.
In the pH CALIBRATION SETUP
screen, press
↑
or
↓
key to go to
BUFFER field.
2.
Press
←
or
→
key and select stan-
dard solution type from NIST, USA,
and Custom options.
3.
Press F4 (RETURN).
The setting is renewed and the display
returns to the CAL screen.