Metrohm 774, Instructions For Use Manual

Page: 101 / 168

5.6 Dosimats and Dosinos
774 Oven Sample Processor, Instruction for use 95
calculated from the configuration settings for tubing length and diameter
(see page 66f). Under standard conditions the tubings are emptied via the
dosing port. However this can be changed by the following commands.
>dosing unit def. XX
preparation port Y
or
<DEF> DRIVE.PORT XX.Y : prep.
Emptying
DOS: XX : empty mL Empty the dosing and filling tubes.
The tubing system and the burette of the Dosino can be completely emp-
tied. Under standard conditions, the entire tubing and burette volume is
emptied via dosing port. Air will be aspirated via port 4 (from the reserve
bottle). However this can be changed with the following commands:
>dosing unit def. XX
drain port Y
or
<DEF> DRIVE.PORT XX.Y : drain
Release exchange unit
DOS: XX : release mL
Prepare Dosino for removing the exchange
unit.
Before removing the exchange unit the burette must be filled and the Dos-
ino stop-cock run to the exchange position. Under standard conditions the
volume required for filling the burette is aspirated from the filling port. To fill
the burette for example, with distilled water for storage, this can be changed
with the following commands.
>dosing unit def. XX
rinsing Port Y
or
<DEF> DRIVE.PORT XX.Y : rinse