Metrohm 807 Dosing Unit - Manual (Page 24)

3.5 Mounting the dosing unit onto the bottle
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807 Dosing Unit
Figure 12 Dosing unit on the reagent bottle
Mount the dosing unit as follows:
1 Rotate the adsorber tube upward.
2 Fasten the dosing unit onto the filled reagent bottle.
3 After the dosing unit has been screwed tigh, rotate the adsorber
tube back into hanging position.