ProLab 4000
ORP voltage
91
ba75646e03
12/2012
8
.2.2
Measuring
Stability control
The
Stability control
function checks the stability of the measurement
signal. The stability has a considerable impact on the reproducibility of
measured values. The background color is red until the measured
value is stable.
Regardless of the setting for
Autom. stability control
(see page 63) in
the
System
menu, you can start the
Stability control
function manually
at any time.
Note
ORP electrodes are not calibrated. However, you can check ORP
electrodes using a test solution.
1
Perform the preparatory activities (see page 69).
2
Highlight the channel of the electrode in the measured value
display.
3
If necessary, select the U display with
<MODE>
.
4
Immerse the ORP electrode in the test sample.
1
Highlight the channel of the ORP electrode.
2
If necessary, select the U or dU parameter with
<MODE>
.
3
Freeze the measured value with
<SC>
.
The display switches to the display of the selected channel as
necessary.
In the status line, [SC] is displayed.
Содержание ProLab 4000
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