testo 252 Bedienungsanleitung Seite 93

Continue
calibration;
3 point
calibration
Automatic calibration with specified buffer solutions
2 pt calibration ok?
Cancel
page 49
Measuring mode
Correct the temperature value with the arrow
keys, confirm the value.
Select the buffer and confirm.
As a result of 3 point calibration, your instrument
has been calibrated for measurements with highly
differing pH values. Rinse the electrode in water
before beginning a measurement.
CAL dAtA
pH measurement
After 2 point calibration, you
can return to the measuring
mode with the page key via
the display of calibration
data (please read about the
importance of the calibration
data on page 49).
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