Conductivity Monitor - GE AKTA start Maintenance Manual

3 Maintenance operations

3.11 Conductivity Monitor

3.11 Conductivity Monitor

Introduction
This section describes how to perform Conductivity Monitor calibration and edit the Cell
constant settings.
In this section
This section contains the following sub-sections:
Section
3.11.1 Temperature sensor calibration
3.11.2 Sine generator calibration
3.11.3 Conductivity flow cell calibration
3.11.4 Set reference temperature
Description
The Conductivity Monitor consists of a conductivity cell with two parallel cylindrical
electrodes positioned in the flow path of the cell. One of the electrodes has a temperature
sensor for measuring the temperature of the liquid in the cell.
Parameter
Cell constant
(Set cell const)
Reference temperature
(Set ref temp)
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Description
The Cell constant is a characteristic of the conduc-
tivity cell, defined as the ratio of the distance be-
tween the electrodes and the area of an electrode.
Ambient temperature variations influence the
conductivity. In Handbooks and other documen-
tation, the conductivity values are most often
given at a certain Reference Temperature (20°C
or 25°C). To compare with those values, the actual
conductivity has to be re-calculated to conductiv-
ity at the reference temperature.
ÄKTA start Maintenance Manual 29060308 AD
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