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• Press
CAL
. The primary LCD will displays the ion concentration in the selected
unit or
“---”
if not calibrated and first standard value.
• If necessary, press the
ARROW
keys to select a different standard value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and close to the selected standard, the
CFM
functional key is displayed.
• Press
CFM
to confirm calibration.
• The calibrated value and the second expected standard value will be
displayed.
• After the first calibration point is confirmed, immerse the ISE electrode
approximately 4 cm (1½”) into the second calibration solution.
• If necessary, press the
ARROW
keys to select a different standard value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and close to the selected standard, the
CFM
functional key is displayed.
• Press
CFM
to confirm calibration.
• The calibrated value and the third expected standard value will be
displayed.
• After the second calibration point is confirmed, immerse the ISE electrode
approximately 4 cm (1½”) into the third calibration solution.
• If necessary, press the
ARROW
keys to select a different standard value.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable and close to the selected standard, the
CFM
functional key is displayed.
