horiba F-74BW, Instruction Manual

Page: 76 / 132

Chapter 3 Basic Operation
3.3 Calibration
64 HORIBA
1.
Prepare the standard solution.
Refer to "Electrode Instruction Manual" for the
preparative method.
2.
Calibrate the first point.
Wash the ion electrode with pure water (deionized),
and wipe it off by filter paper or tissue paper.
3.
Immerse the ion electrode in the calibration
standard solution of the first point.
4.
Press the
▲
or
▼
key on the measurement screen
to light up ACT for CH1.
5.
Press the MODE key on the measurement screen
to enter the ion measurement screen.
6.
Press the CAL key on the ion measurement screen
to enter the calibration screen.
7.
Press the or key to select digit and press the
▲
or
▼
key to change value, to set the value of the
desired standard solution.
8.
Wait for the instantaneous value to be stable and
press the CAL key.
The HOLD indicator blinks until the reading
stabilizes. When the reading stabilizes, the HOLD
indicator lights up and the reading is held.
▲ ▼