wtw Oxi 3315 Operating Manual page 30

Dissolved oxygen
30
Before calibrating via a comparison measurement, the sensor
should be calibrated in the air calibration vessel.
Proceed as follows to calibrate the instrument:
1. Connect the D.O. sensor to the measuring instrument.
2. Immerse the D.O. sensor in the reference solution.
3. Start the calibration with <CAL>.
O
2
FDO Comp
4. Start the measurement with <ENTER>.
The measured value is checked for stability (stability control).
The [AR] status indicator is displayed. The measured parameter
flashes.
5. Wait for the end of the AutoRead measurement or accept the calibration
value with <ENTER>.
The factor that was set last is displayed.
O
2
FDO Comp
7.92
mg/l
25.1
°C
22.09.2008
08:00
7.92
mg/l

0.973

22.09.2008
08:00
Oxi 3315
ba75944e02 03/2012