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5 miscellaneous – Metrohm TitrIC 2 User Manual

Page 11

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Application Bulletin 286 e
Installation Instructions of TitrIC 2
Page 11/16

5 Miscellaneous

5.1 Stirrer

The 802 Rod Stirrer is inserted through opening 8 of the external cell and connected to the tower of the
855. The propeller (6.1909.020) is pushed on from below.

5.2 Length of the aspiration tips in the external cell

Clamp the titration vessel to the titration vessel lid.

The M8 aspiration tip in opening 1 must reach right to the base of the titration vessel as this is

the only way to ensure that the external cell is cleaned properly.

The buret tips in openings 3 and 4 should reach the middle of the titration vessel.

5.3 Electrodes

The pH electrode (Aquatrode Plus with Pt 1000; 6.0257.000) is inserted into opening 9 together

with the SGJ sleeve (6.1236.050). The cable is connected to the 855 Robotic Titrosampler at
the rear top right. The plug of the gray cable is connected to the opening marked

Ind.

. The red

plugs with the adapters 6.2103.140 and 6.2103.130 are inserted in the openings marked

Temp.

If the electrode is not to be used for some time then it should be returned to its holder and kept
in the storage solution (6.2323.000).

Conductivity cell (6.0912.110): The measuring cell cable is led through the guide chain of the

855 and the two black plugs are inserted into the openings marked

Cond. Cell

of 712

Conductometer, the two red plugs into those marked

Pt 100/1000

. Later (as soon as the titration

head has been mounted) the measuring cell with the SGJ sleeve (6.1236.050) will be inserted
in the SGJ 14 opening of the titration head.