wtw inoLab Level 3 Operating Manual page 87

Two-point
calibration
g
10 Use to display the slope (mV/pH), the asymmetry
(mV), and the calibration evaluation (probe symbol).
g
11 Use to go on to the two-point calibration
or terminate after the single-point calibration with
(the present calibration data remain stored).
12 Thoroughly rinse the electrode with deionized water.
13 Immerse the electrode and the temperature probe in
the second buffer solution.
14 If necessary, set the measured temperature value of
the second buffer solution with
15 Use [Adj. Asy.] to call up the input field for the nominal
pH value of the buffer solution.
82
16 Use (and
of the buffer solution (at the current temperature).
17 Confirm the nominal pH value with
18 Use [ESC] to leave the input field for the nominal pH
value.
g
19 Press the
The slope S (in mV/pH), asymmetry U
calibration valuation (probe symbol) appear on the
display.
46
) to select the nominal pH value
key.
82
.
g
.
(in mV) and
Asy
pH
m
87