Metrohm 899 Coulometer - Manual (Page 71)

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5 Operation
899 Coulometer
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2 Setting the stirring rate
￭
￭
In the function bar, select Stir- or Stir+.
The stirring rate will be increased or decreased by one step each
time the [OK] key is pressed.
The algebraic sign changes the direction in which the stirring is
done. When viewing the stirrer from above, this means:
– "+": counterclockwise rotation
– "–": clockwise rotation
3 Switching on the stirrer
￭ In the function bar, select On and press [OK].
The stirrer is started and stirs at the rate which has been set. Off is
now displayed in the function bar.
4 Switching off the stirrer
￭ In the function bar, select Off and confirm with [OK].
The stirrer is stopped.