Hanna-instruments HI 98180 Manuale Utente Scaricare il pdf (Pagina 21)

ERROR SCREENS

Wrong buffer

The calibration cannot be confirmed.

The pH reading is not close to the selected buffer. Select another buffer using

the ARROW keys or change the buffer.

Electrode Dirty/Broken alternatively with Buffer Contaminated

The calibration cannot be confirmed.

The offset of the electrode is not in the accepted range. Check if the electrode

is broken or clean it following the Cleaning Procedure (see page 65). Check the

quality of the buffer. If necessary, change the buffer.

Wrong slope

The calibration cannot be confirmed.

The evaluated slope is less than the lowest accepted value (80% of default

slope).

The evaluated slope is more than the highest accepted value (110 % of default

slope).

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Hanna-instruments HI 98180 Manuale Utente Pagina 21