Hanna-instruments HI 98180 Manuale Utente Scaricare il pdf (Pagina 19)

• After the third calibration point is confirmed, immerse the pH electrode

and the temperature probe approximately 4 cm (1½”) into the fourth

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.

• When the reading is stable and close to the selected buffer, the CFM

functional key is displayed.

• Press CFM to confirm calibration.

• The calibrated value and the

fifth

expected buffer will be displayed.

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

temperature probe approximately 4 cm (1½”) into the fifth 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.

• When the reading is stable and close to the selected buffer, the CFM

functional key is displayed.

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Hanna-instruments HI 98180 Manuale Utente Pagina 19