Hanna-instruments HI 98180 Manual de usuario descargar pdf (Pagina 17)

• Press CAL. The instrument will display the measured pH, the LCD first

expected buffer and the temperature reading.

• If necessary, press the ARROW 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 close to the selected buffer, CFM functional

key is displayed.

• Press CFM to confirm first point.

• The calibrated value and the second expected buffer value is then dis-

played on the LCD.

• After the first calibration point is confirmed, immerse the pH electrode and the

temperature probe approximately 4 cm (1½”) into the second buffer solution

and stir gently. The temperature probe should be close to the pH electrode.

• If necessary, press the ARROW keys to select a different buffer value.

• The “ ” tag will blink on the LCD until the reading is stable.

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Hanna-instruments HI 98180 Manual de usuario Pagina 17