Multi 3620 IDS
Dissolved oxygen
ba77169d06
10/2021
51
Stability control
(AutoRead)
The Stability control function (AutoRead) is automatically activated for the
FDO
®
Check.
Proceed as follows to carry out the FDO
®
Check procedure:
7.2.4 Evaluation
The evaluation is based on the accuracy required by the used. Together with
the nominal value (100 %) this results in a validity scope for the check.
If the measured value is within the validity scope, no cleaning or user calibration
is required.
If the measured value is outside the validity scope, the sensor shaft and
membrane should be cleaned, and the check should then be repeated (see
section section 7.2.3).
1.
Connect the D.O. sensor to the meter.
2.
Place the D.O. sensor in the check and storage beaker.
The sponge in the check and storage beaker must be moist (not
wet). Leave the sensor in the check and storage beaker long
enough so it can adapt to the ambient temperature.
3.
In the measuring menu, start the FDO
®
Check procedure with
FDO
Check / Start FDO Check
.
The meter switches to the measured parameter, %.
4.
Start the measurement with
<MENU/ENTER>
.
The measured value is checked for stability (stability control).
The [AR] status indicator is displayed. The measured parameter
flashes.
5.
Wait for the AutoRead measurement to be completed (status indicator
[HOLD][AR]) or
accept the measured value with
<MENU/ENTER>
.
The measured value is frozen.
6.
Switch to the measured value display with
<M>
.
The check measurement is not documented.
15.03.2014 08:00
