Metrohm 917 - Connecting Sensors; Connecting Generator Electrodes

4.4 Connecting sensors
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917 Coulometer
NOTICE
The plug of the power supply unit is protected against accidental
disconnection of the cable by means of a pull-out protection fea-
ture. If you wish to pull out the plug, you first need to pull back
the outer plug sleeve marked with arrows.
2
Connect the power cord with the external power supply unit of the
coulometer and with the power grid.
CAUTION
Switch off the Coulometer correctly by pressing the power switch
before you disconnect the electricity supply. If this is not done, then
there is a danger of data loss.
4.4 Connecting sensors
The measuring interface contains the following measuring inputs:
￭ Gen. for a generator electrode
￭ Ind. for a double Pt electrode
￭ Temp. for a temperature sensor of the Pt1000 or NTC type
CAUTION
Under all circumstances, avoid mixing up the electrode cable from the
indicator electrode with the one from the generator electrode. Mark
the screw heads of the cables accordingly.
4.4.1 Connecting generator electrodes
Screwing the electrode cable to the generator electrode
1
Unscrew the protective cap from the generator electrode.