YSI MultiLab 4010-1W, Руководство по эксплуатации

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pH value MultiLab 4010-1W
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sor evaluation.
Carrying out a QSC
control calibration
A QSC control calibration can, e.g. be useful if the sensor evaluation noticeably
changed (after some normal calibrations).
You can carry out QSC control calibrations at greater intervals than normal cali-
brations.
1 QSC scale
The double arrow on the QSC scale indicates the current sensor
evaluation
1
25.0
7.007
pH
°C
0 14
01.02.2014
08:00
i
USB output
1. Prepare for calibration the meter, sensor and the buffer solutions of the
QSC-Kit.
2. Open the menu for measurement settings with
<ENTER>
.
3. In the QSC menu, select Control calibration with
<

><

>
.
The calibration display appears. AutoCal QSC-Kit is displayed as the
buffer.
Exclusively use the QSC-Kit for the QSC calibration. If you use other
buffers, you will have no valid QSC control calibration.
4. Start the measurement with
<ENTER>
.
Calibration with the buffers of the QSC-Kit is done like a normal three-
point calibration (see section 5.2.4 C
ARRYING OUT AUTOMATIC CALIBRA
-
TION
(A
UTO
C
AL
), page 28).
As soon as the three-point calibration has been successfully carried out
you can decide whether to accept or discard the calibration as the QSC
control calibration.