Metrohm 787 KF Titrino - Manual (Page 15)

2.3 Tutorial
787 KF Titrino
11
or
<ENTER>
With a connected printer, the short report, for example,
can be selected.
If you have to alter one of these settings, you can do this with the <SELECT> key.
Your titration vessel already contains solvent. Start with <START>. First the titrations cell
is dried. The display shows
as long as the vessel is still wet and the green "Cond." lamp flashes. As soon as the titra-
tion vessel is dry and hence ready for operation, this is shown by
an the "Cond."-LED lights continuously.
To determine the titer we shall perform several titrations and store the mean value as
"titer".
Calculating the mean value and standard deviation
Check that the mean value calculation is switched on:
2 × <CALC DATA>
<ENTER>
2 × <QUIT>
• Press <CALC DATA> twice until the display shows
the title of the group is "statistics". Press <ENTER>.
Number of single determinations for the calculation of
the mean value. Since the mean value is recalculated
after every determination, the maximum value can re-
main set at 20. The mean calculation is terminated
when the operating mode is changed.
• Exit the inquiry.
TITER ********
report: short
TITER wait
TITER conditioning
TITER ********
>statistics
TITER ********
mean: n= 20