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inoLab 740
Manual selection
of the measuring range
Automatic switch-over
of the measuring range
ba75446e05
07/2010
10
Conductivity
Measuring modules for the inoLab 740:
Cond, pH/Cond and Multi.
10.1
Settings for conductivity measurements
In order to achieve comparable and reproducible measuring results, we
recommend checking and, if necessary, correcting the current settings
before measuring.
10.1.1
Determining the measuring range
You can select the measuring range manually or have it selected
automatically. We recommend setting the measuring range manually
when the intended measurement is output to a recorder at the same
time.
You can determine the measuring range for measuring the conductivity
as follows:
Automatic selection of the measuring range
Manual selection between the following
resolution:
0.001 µS (if you use LR001),
0.01 µS (if you use LR01),
0.1 µS/cm, 1 µS/cm, 0.01 mS/cm, 0.1 mS/cm, 1 mS/cm
Measuring the salinity (Sal) and the total dissolved solids (TDS)
Note
If you are using a recorder, we recommend deactivating the AutoRange
function. Specify the expected range
recorder scaling will change to a different range due to the switch-over.
The AutoRng function has to be switched off for the manual selection
of the measuring range.
1
Switch to the Display mode.
46
2
Use
to select the required
1
Switch to the Menu mode.
46
2
Use
to select the main Meas menu.
Conductivity
ranges with the following
manually. Otherwise, the
range or Sal or TDS.
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