4 Calibrating a pH combination electrode
16
4.2
Start
Standard series
.
DIN series
.
Manual
buffers
.
If buffers are used that are not included in the standard or DIN series, then
manual buffer setting must be selected.
✱
Enter the pH value for the buffer with the
or
key.
A long press on the
key is used to switch between various buffer series.
Buffer solutions can be obtained from laboratory suppliers.
2
CAL
3
Values at 25°C
4.00 pH
7.00 pH
pH
mV
mV
H
rH
ATC
ok
CAL
AL Logg
pH
mbar
neutral calibration solution 7.00 pH
Values at 25°C
0
1.68 pH (A)
0
4.01 pH (C)
0
6.87 pH (D)
0
9.18 pH (F)
12.45 pH (G)
pH
mV
mV
H
rH
ATC
ok
CAL
AL Logg
pH
mbar
neutral calibration solution 6.87 pH
Input range
6.50 — 7.50 pH
pH
mV
mV
H
rH
ATC
ok
CAL
AL Logg
pH
mbar
max
2
min
5