Hanna-instruments HI 98180 Manual do Utilizador descarregar pdf (Página 18)

• 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 third expected buffer value will be dis-

played.

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

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

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 fourth expected value will be displayed.

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Hanna-instruments HI 98180 Manual do Utilizador Página 18