Process Unit 73 LF - Knick
Process Unit 73 LF - Knick
Process Unit 73 LF - Knick
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<strong>Process</strong> <strong>Unit</strong> <strong>73</strong> <strong>LF</strong><br />
Calibrating the Cells<br />
SE 600, SE 602 and SE 603 Cells<br />
The cell constant of the SE 600, SE 602 and SE<br />
603 cells depends on installation dimensions. If<br />
the distances between cell and container are less<br />
than those specified, (see page 14–7 and the following),<br />
the cell must be calibrated when already<br />
installed since the cell constant is changed by<br />
installation.<br />
Select calibration sequence ”Sampling”.<br />
With free installation of the cell (minimum distances<br />
exceeded), you can directly enter the specified<br />
cell constant. For high accuracy you should<br />
note, however:<br />
Since the cell constant can vary due to the<br />
manufacturing process, you should calibrate the<br />
dismounted cell using a calibration solution (e.g.<br />
NaCl saturated).<br />
SE 604 Cell<br />
The SE 604 cell must be calibrated by direct entry<br />
of the cell constant since calibration solutions in<br />
the S/cm range are not stable.<br />
ZU 0071 Cell<br />
The ZU 0071 cell can be calibrated either automatically<br />
or manually. A suitable calibration solution<br />
would be 0.01 mol/l NaCl solution.<br />
6–12 Calibration
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