Sper Scientific 850061 pH SD Card Datalogger Kit - Manual (Page 20)

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CALIBRATION
to the same value as the solution
temperature. (See page 18.)
5. Select the pH buffer and pour
solution (a sufficient amount to
totally immerse the probe tip) into
a clean container.
6. Dip the probe into the container,
immersing the probe tip. Gently
shake the probe.
Note
If calibrating the ATC probe with the
pH probe, dip the probes in the
solution simultaneously.
7. The pH value appears on the
LCD.
8. Press REC and HOLD
simultaneously until “PH” appears
on the display.