Metrohm 900 Touch Control Manual - Manual (Page 278)

28.3 Dosing
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900 Touch Control
28.3.5 Filling
Manual control: Dosing ▶ Fill
You can use the function [Fill] to fill the dosing cylinder of the exchange
unit/dosing unit manually. The filling rate cannot be configured; the maxi-
mum filling rate will be used.
28.3.6 Replacing reagent
NOTE
You can easily change the reagent in a dosing unit without no contact
with the chemicals using the functions Prepare and Empty.
Proceed as follows:
1 Execute the function [Empty].
2 Attach the dosing unit to the bottle with a suitable solvent.
3 Execute the function [Prepare].
The last traces of the reagent in the cylinder and tubings are
removed with the solvent.
4 Execute the function [Empty] again.
5 Attach the dosing unit to the bottle with the new reagent.
6 Execute the function [Prepare].
The dosing unit can now be used.