Multi 9310
Dissolved oxygen
ba75937e03
12/2011
53
7.3.5 Calibration by means of a
Comparison meas.
(FDO Comp)
For this calibration procedure, the
Comparison meas.
setting must be set to
on
in the
Calibration
menu.
Proceed as follows to calibrate the instrument:
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 ([HOLD][AR]) status indi-
cator.
The calibration record is displayed and output to the interface.
6.
Switch to the measured value display with
<ENTER>
.
Before calibrating via a comparison measurement, the sensor
should be calibrated in the air calibration vessel.
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>
.
01.07.2011
08:00
O
2
7.92
mg/l
25.1
°C
FDO Comp
22.09.2008
08:00
Summary of Contents for Multi 9310
Page 101: ......
