Dissolved Oxygen; Measuring; Measuring D.o - wtw inoLab Multi 9310 IDS Operating Manual

Dissolved oxygen

Selecting the
displayed
measured parameter
Salinity correction
46
7 Dissolved oxygen
A sensor with stirrer can only be operated while the meter is line-
powered.
7.1

Measuring

7.1.1 Measuring D.O.

1. Connect the IDS-D.O. sensor to the meter.
The D.O. measuring screen is displayed.
1. Connect the IDS-D.O. sensor or a D.O. sensor with IDS adapter to the
meter.
The D.O. measuring screen is displayed.
2. If necessary, select the measured parameter with
3. Check or calibrate the meter with the sensor.
Only in special cases does the FDO
ibration. Regular checking with the aid of the FDO
cient.
4. Immerse the D.O. sensor in the test sample.
O
2
7.92
[t90= 30 s]
01.02.2014
i
08:00
You can switch between the following displays with
 D.O. concentration [mg/l]
 D.O. saturation [%]
 D.O. partial pressure [mbar].
When measuring the D.O. concentration [mg/l] of solutions with a salt content
of more than 1 g/l a salinity correction is required. For this, you have to mea-
mg/l
25.0
°C
USB output
®
inoLab Multi 9310 IDS
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925-D.O. sensor require cal-
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Check is suffi-
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ba75937e10 08/2021