Metrohm 902 Titrando - Manual (Page 33)

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3 Installation
902 Titrando
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2 Plug in the electrode on the iConnect as illustrated below.
Figure 16 Connecting an electrode to the iConnect
The guide pin guarantees correct connection in such a way that the
contact pins cannot be damaged.
3 Screw the iConnect tightly.
3.5.5 Differential potentiometry
Potentiometric measurements with high-ohm measuring chains can be
disrupted by electrostatic and electromagnetic fields in media with low
conductivity. Use our 6.0229.100 Solvotrode or other special electrodes
for pH measurements in organic solvents. If no reliable measurements are
possible with these, then a 6.5104.030 (230 V) or 6.5104.040 (115 V) dif-
ferential amplifier can be used. The differential amplifier is connected to
the high-ohm measuring input (Ind.).