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Hanna Instruments HI 98180 User Manual

Page 28

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28

• 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.

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