wtw Oxi 3310, Operating Manual

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Operation Oxi 3310
32 ba75804e06 03/2012
Calibration by means of
a Comparison meas.
For this calibration procedure, the Comparison meas. setting must be
set to On in the Calibration menu.
Note
Before calibrating via a comparison measurement, the sensor should
be calibrated in the air calibration vessel.
Proceed as follows to calibrate the instrument:
3 Start the calibration with <CAL>.
The last calibration data (relative slope) is displayed.
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 calibration record is displayed and output to the interface.
6 Using <F1>/[Continue] or <ENTER>, switch to the measured
value display.
O
2
0.88
25.1
°C
OxiCal
22.09.2008
08:00
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>.