User Manual

Multi 3500i Operation
47
Continuing for two-point
calibration
11 Wait for the end of the AutoRead measurement or accept the
calibration value with <MENU/ENTER>.
The calibration display for the next standard solution appears.
i Standard = 0.010 mg/l
i U = 0.5 mV
Terminate AutoRead
ISE <CAL>
i #1 0.010 mg/l 24 °C
i Immerse sensor in std. 2
Set temperature:24 °C
Continue
Set standard: 0.020 mg/l
ISE <CAL>
12 Thoroughly rinse the electrode with distilled water.
13 Immerse the electrode in standard solution 2.
14 Select the Set standard setting with <▲><▼> and press
<MENU/ENTER>.
15 Set the concentration of the standard solution with <▲><▼>
and press <MENU/ENTER>.
16 Measure the temperature of the standard solution using a ther-
mometer.
17 Select the Set temperature setting with <▲><▼> and press
<MENU/ENTER>.
18 Set the temperature with <▲><▼> and press
<MENU/ENTER>.
19 Select Continue with <▲><▼> and press <MENU/ENTER>.
The standard solution is measured.
The measured value is checked for stability (AutoRead).