Xylem CG 843 - Manual (Page 36)

Operation
104
8 Thoroughly rinse the electrode with distilled water.
9 If necessary, set the temperature of the second buffer
solution by pressing < ▲ > < ▼ >.
10 Submerse the electrode in the second buffer solution .
11 Press the <run/enter> key.
The second measured pH value appears on the dis-
play.
12 Set the nominal pH value of the second buffer solu-
tion (at the current temperature).
13 Press the <run/enter> key.
The value of the slope (mV/pH) appears on the dis-
play.
The sensor symbol shows the evaluation of the elec-
trode after the two-point calibration.
14 Press the <run/enter> key.
The value of the asymmetry (mV) appears on the dis-
play again.
15 To return to the measuring mode: Press the <pH>
key.