0000137188 Rev. 1.0
9
7.1.1 Calibrating the pH probe
Get some water
Remove the probe from the probe
holder
Wash the probe
Keep the probe in the buffer solution
pH 7
Press and hold down the
Cal
button
for 3 seconds
Tm 25°C 14pH
Press
Cal
to start calibration with a
buffer solution pH 7
Press CAL
B.Solution 7pH
The calibration takes 1 minute
Wait 59s
B.Solution 7pH
Probe quality
Quality
B.Solution 7pH
H O
2
2
9
Wash the probe
4 pH
3
10
Keep the probe in the buffer solution
pH 4
Press
Cal
to start calibration with a
buffer solution pH 4
Press CAL
B.Solution 4pH
The calibration takes 1 minute
Wiat 59s
B.Solution 4pH
Probe quality
Quality
B.Solution 4pH
H O
2
2
14
Wash the probe
15
Put the probe back in the probe holder
and press
Cal
to finish
