Xylem WTW Oxi 3210, Руководство по эксплуатации

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Operation Oxi 3210
30 ba75795e07 10/2021
Criteria for a stable
measured value
The Stability control function checks whether the measured values are
stable within the monitored time interval.
The minimum duration until a measured value is assessed as stable is
the monitored time interval. The actual duration is mostly longer.
4.4.3 Settings for D.O. sensors (menu for measurement and cal-
ibration settings)
Overview The following settings are possible for D.O. sensors:

Salinity correction

Salinity (salinity equivalent)

Calibration interval

Automatic Stability control
Settings The settings are available in the menu for measurement and calibration
settings. To open the settings, display the required parameter in the
measured value display and press the
<F1>
/ [Menu] or
<ENTER>
key.
After completing the settings, switch to the measured value display with
<M>
.
Measured parameter Time interval Stability in the time inter-
val
D.O. concentration 20 seconds
Δ
: better than 0.05 mg/l
D.O. saturation 20 seconds
Δ
: better than 0.6 %
D.O. partial pressure 20 seconds
Δ
: Better than 1.2 mbar
Temperature 15 seconds
Δ
: better than 0.5 °C
Menu item Possible
setting Explanation
Calibration /
Calibration record
- Displays the calibration
record of the last calibration.
Calibration / Calibra-
tion data storage
- Displays the last calibration
records.