Calibration With Comparison Meas. (Fdo Comp) - wtw Oxi 3310 IDS Operating Manual

Dissolved oxygen
30

5.3.5 Calibration with Comparison meas. (FDO Comp)

For this calibration procedure, the Comparison meas. setting must be set to on
in the Calibration menu.
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 meter.
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 multiplier 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 3310 IDS (Oxi 3315)
ba75944e02 10/2014