Hanna-instruments HI 2212 Manuel d'utilisateur télécharger pdf (Page 15)

• The pH calibration buffers in calibrating order.

The first pH calibration buffer:

The second pH calibration buffer:

The third pH calibration buffer:

Notes:• The “OLd” message displayed beside the pH value means

that this buffer was not used during last calibration. Press

and hold down SETUP if you want to see calibration date

(or time, if old calibration was performed on the same day

as the current calibration).

• For each custom buffer used in calibration, the “BUFFER

pH” tag will blink.

• If “no bUF” message appears on the LCD, the instrument

informs you that the calibration was performed with less than

three buffers.

• Calibration Expiration status:

- if disabled

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Hanna-instruments HI 2212 Manuel d'utilisateur Page 15