Metrohm tiamo 2.3 Manual - Manual (Page 1172)

5.6 Commands ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
1156 ￭￭￭￭￭￭￭￭ tiamo 2.3
Note
The filling rate should be reduced for viscous liquids.
Fill automatically at start
on | off (Default value: on)
If this option is enabled, the buret is filled automatically before dosing.
This parameter is displayed only for Titrandos, 846, 855, 856, 864, 867,
814, 815 and 874.
Using this option ensures that the buret is filled before the execution of
the ADD command and that it is located at the dosing port of the selec-
ted solution.
Note
If Fill automatically at start is deactivated, then the ADD com-
mand will be begin immediately after the solvent has been added. It
must be ensured in the method (e.g. by a preceding ADD or LQH com-
mand) that the buret is situated at the correct dosing port.
Fill automatically at end
on | off (Default value: on)
If this option is enabled, the buret is filled automatically after dosing.
Using this option ensures that the buret is filled after the execution of the
ADD command and that it is located at the dosing port of the selected
solution.
5.6.6.3 DOS
5.6.6.3.1 DOS - Overview
Menu item: Method ▶ Paste ▶ New command...
Command for controlled dosing with possibility for monitoring of meas-
ured value and temperature.
Principle
A predefined volume of a solution is dosed with the DOS command with
simultaneous monitoring of measured value and temperature. Three dif-
ferent dosing types can be selected for the dosing. Two of the three
parameters Volume, Dosing rate and Dosing time can be specified.
The third parameter is calculated according to the following formula: