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Section 7
Calibration and Configuration
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32
RDO Pro-X Optical Dissolved Oxygen Measurement System
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Once the actual air calibration has been initiated; the display will indicate that a calculation is
progressing. During the calculation it is important that nothing disturb the measurement sample.
To abort the calibration during this calculation, press ESC.
When the calibration calculation is complete, the result will be displayed on the second line of
the display. If the calibration is successful, the message will be CAL OK. If the calibration is not
successful, the message will be CAL FAIL. In either case, press ENTER to continue.
MENU
If the calibration is successful, pressing ENTER will return to the measure screen. If the
calibration is not successful, pressing ENTER will return to the beginning of the 1-point sample
calibration. Reasons for calibration failure include a sample that is not in the correct
measurement range or is changing in value too quickly.
1-Point Sample (Span) Calibration
The complete calibrate menu for the RDO Pro-X Optical Dissolved Oxygen system is shown
below.
MENU
From the measure screen, press MENU.
MENU
Air
Calibrating...
Air
Cal OK
ESC
ENTER
◄
≡Calibrate
►Air
►1-Point Sample
►Temperature
◄Exit
ESC
ENTER
◄
8.14 ppm
13.1 °C
DS1:
1
ESC
ENTER
◄
▲
►
▼
▲
►
▼
▲
►
▼
Thermo Scientific AquaSensors
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