Conductivity
190
10.3 Measuring the conductivity
10.3.1 General information
You can display the following measured parameters:
l Conductivity/specific resistance
(For details of how to switch over, see chapter
10.1 S
ETTINGS FOR CONDUCTIVITY MEASUREMENTS)
l Salinity (Sal)
l Total dissolved solids (TDS)
Preparatory
activities
Perform the following preparatory activities when you want
to measure:
10.3.2 Displaying the conductivity, dry filtrate residue
or salinity
You can switch back and forth between the measured
variables, conductivity, dry filtrate residue and salinity:
1 Connect a conductivity measuring cell with
temperature probe to the measuring module. The
instrument recognizes the measuring cell and
automatically switches to the conductivity measuring
mode that was last selected. If the conductivity
measuring cell is already connected, press the
m
repeatedly until the conductivity measuring mode
appears.
2 Check the selected cell constant or calibrate the
measuring module with the measuring cell. How to
calibrate is described in section 10.2.1 D
ETERMINING
THE CELL CONSTANT (CALIBRATION) on page 182.
1 Perform the preparatory activities according to
section 10.3.1.
2 Immerse the measuring cell in the test sample.
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