wtw inoLab 740, Operating Manual

Page: 107 / 274

Ion concentration
107
Note
The calibration curve after the two-point calibration is
determined by linear regression# The values of the two-
point calibration are then stored.
Three-point
calibration
13 Use
m
to finish the calibration.
or
Continue to the three-point calibration with
g
.
14 Press the
g
key.
The previously set up concentration of the third
standard solution appears on the display.
15 Use
82
to enter the concentration of standard
solution 3.
16 Thoroughly rinse the electrode with deionized water.
17 Immerse the electrode in standard solution 3.
18 Press the
g
key.
The electrode voltage is displayed and the
h
display indicator flashes.