Metrohm 855 Robotic Titrosampler User Manual download pdf (Page 29)

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3 Installation

855 Robotic Titrosampler

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Functioning of the beaker sensor

If the beaker sensor of the robotic arm is activated, then the lift of the Sample

Processor will move automatically into its work position after a MOVE com-

mand. The presence of the sample vessel is checked by the robotic arm

setting down on top of it.

No separate LIFT command is required in such cases.

Note

The work position of the lift must be configured in such a way that the

robotic arm is in place on the sample vessel. The robotic arm must bend

very slightly while doing so, so that the Piezo sensor will generate a signal.

3.8 Installing rinsing and aspiration equipment

Various tubings are necessary for rinsing the electrode and the dosing tips

as well as for aspirating the sample solution after the titration. First, mount

the tubings on the distributor.

Mounting the rinsing and aspiration tubings

Install the tubings as follows:

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Metrohm 855 Robotic Titrosampler User Manual Page 29