Hanna-instruments HI 903 Manual de usuario descargar pdf (Pagina 55)

4-5

GENERAL OPTIONS

4.3 Beeper

This screen allows the user to turn the Beeper On (

Enable

) or Off (

Disable

The beeper will sound after a titration is completed, when an invalid key is pressed or when

a critical error occurs during titration.

4.4 Stirrer

This screen allows the user to select the internal magnetic stirrer, an external magnetic stirrer

or a user-controlled stirrer uncontrolled by the titrator (custom).

The external stirrer is automatically detected when it is connected.

Note: When the external stirrer is not connected the key is not available for the

“External” stirrer option.

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Hanna-instruments HI 903 Manual de usuario Pagina 55