Metrohm 806 Exchange Unit - Manual (Page 27)

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4 Mode of operation
806 Exchange Unit
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4 Mode of operation
4.1 Filling the dosing cylinder and dosing
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2
3
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5
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7
Figure 5 Dosing/Filling
1 Filling tube
For aspirating the solvent out of the reagent
bottle. 2 Dosing cylinder
Contains the solution for dosing. Volume
1 mL , 5 mL , 10 mL , 20 mL or 50 mL .
3 Dosing piston
For ejecting and aspirating a solution. 4 Piston rod
With coupling. For moving the dosing piston
in the dosing unit.
5 Dosing tubing
For dosing the solvent via the dosing tip. 6 Flat stopcock
For switching between filling and emptying
the dosing cylinder.
7 Switching lever
For manually switching the flat stopcock.