Xylem WTW Oxi 3310, Operating Manual

Page: 31 / 64

Oxi 3310 Operation
31 ba75804e08 10/2017
4.4.4 D.O. calibration
Why calibrate? D.O. sensors age. This changes the slope of the D.O. sensor. Calibra-
tion determines the current slope of the sensor and stores this value in
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 screen.
Calibration /
Comparison meas.
On
Off
Enables to adjust the mea-
sured value with the aid of a
comparison measurement,
e.g. Winkler titration.
For details, see section
4.4.4.
Sal correction On
Off
Manual salt content correc-
tion for concentration mea-
surements.
Salinity 0.0 ... 70.0 Salinity or salinity equivalent
for the salt content correc-
tion.
This function is only avail-
able for concentration mea-
surements if the manual salt
content correction is
switched on.
Stability control On
Off Switches on or off the auto-
matic stability control during
measurement (see section
4.3.3)
Temperature unit °C
°F Temperature unit,
degrees Celsius or degrees
Fahrenheit.
All temperature values are
displayed with the selected
unit.
Reset - Resets all sensor settings to
the delivery condition (see
section 4.8.1).
Menu item Possible
setting Explanation