Xylem YSI TruLab pH 1110, Руководство по эксплуатации

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pH value TruLab pH 1110
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5 pH value
5.1 Measuring
5.1.1 Measuring the pH value
1. Connect the pH electrode to the meter.
2. When measuring without temperature sensor: Temper the test sample or
measure the current temperature.
3. If necessary, select the measured parameter (pH) with <M> .
4. Immerse the pH electrode in the test sample.
The measured value is checked for stability (stability control).
The
[AR] status display flashes.
5. When measuring without temperature sensor: Enter the temperature of
the buffer with
<  ><  > .
6. Wait for a stable measured value.
The
[AR] display indicator no longer flashes.
Stability control (AutoRead )
During the measuring procedure, the stability control function is automatically
activated.
The stability control function ( AutoRead ) continually checks the stability of the
measured values in the monitored time interval. The stability has a consider-
able impact on the reproducibility of measured values. The
[AR] display indi-
cator flashes until a stable value is measured.
To ensure the high measurement accuracy of the measuring sys-
tem, always measure with A current calibration (see section 5.2
C
ALIBRATION
, page 19).
8
4
2
2 9 9 6
pH
°C
TP
AR