Metrohm 900 Touch Control Manual - Manual (Page 476)

29.15 Dosing and Liquid Handling
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460 ￭￭￭￭￭￭￭￭
900 Touch Control
of two dosing devices so that the second dosing device is dosing while
the first one is being filled and vice-versa.
Dosing device
Selection of the MSB connector the dosing device is connected to. Every
MSB connector will always be displayed.
Selection 1 | 2 | 3 | 4 | off
Default value off
Titrant
Selection of the titrant from the titrant list. We recommend always select-
ing the titrant. Titrants are defined under System
▶ Titrants. You can
also enter a name which is not contained in the titrant list. When a deter-
mination is started there is a check whether the solution is contained in
list.
For buret units with integrated data chip, a check is made in the method
run to verify whether the correct titrant has been attached and whether
the type of dosing drive matches. For buret units without integrated data
chip, the cylinder volume and the type of dosing drive are checked. For
the selected titrant, only the time interval for the GLP test of the buret unit
is checked at the start of the determination.
NOTE
The concentration, validity of the titer and the working life of the titrant
are ignored.
Selection Selection of configured titrants | not defined
Default value not defined
not defined
No check takes place.
Filling rate
Rate at which the dosing cylinder is filled.
Input range 0.01 - 166.00 mL/min
Selection maximum
Default value maximum
maximum
The maximum filling rate depends on the cylinder volume (see Chapter
32, page 488).
However, in order to ensure uninterrupted dosing, the following points
must be taken into account: