horiba F-74BW, Instruction Manual

Page: 77 / 132

Chapter 3 Basic Operation
3.3 Calibration
F-74BW 65
The mark, which means that the first point
calibration is completed, is displayed on the screen.
・
To stop calibration:
Press the CAL key while the HOLD indicator
blinks.
・
To redo calibration:
Press the CAL key again after the HOLD indicator
lights up.
9.
Wash the ion electrode with pure water (deionized),
and wipe it off by filter paper or tissue paper.
10.
Immerse the ion electrode in the calibration
standard solution of the second point.
11.
Press the CAL key on the ion measurement screen
to enter the calibration screen.
12.
Press the or key to select digit and press the
▲
or
▼
key to change value, to set the value of the
desired standard solution.
13.
Press the CAL key to display the instantaneous
value. 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.
The mark, which means that the second point
calibration is completed, is displayed on the screen.
・
To stop calibration:
Press the CAL key while the HOLD indicator
blinks.
・
To redo calibration:
Press the CAL key again after the HOLD indicator
lights up.
▲ ▼