14
pH CALIBRA
TION
• If necessary, press the / keys to select a different buffer value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and within range of the selected buffer, the
CFM
functional key is
displayed.
• Press
CFM
to confirm calibration.
• The calibrated value and the fourth expected value will be displayed.
• After the third calibration point is confirmed, immerse the pH electrode approximately
4 cm (1½”) into the fourth buffer solution and stir gently.
• If necessary, press the / keys to select a different buffer value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and within range of the selected buffer, the
CFM
functional key is
displayed.
