wtw Oxi 3310, Operating Manual

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Operation Oxi 3310
28 ba75804e06 03/2012
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 or measurement and calibration settings)
Overview The following settings are possible for D.O. sensors:

Salinity correction

Salinity (salinity equivalent)

Calibration interval

Comparison meas.

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 interval
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
T (° C): Better than 0.02
Menu item Possible
setting Description
Calibration /
Calibration record - Displays the calibration
record of the last calibration.
Calibration /
Calibration interval 1 ... 999 d Calibration interval for the
D.O. sensor (in days).
The meter reminds you to
calibrate regularly by the
flashing sensor symbol in
the measuring window.