Hanna-instruments HI 4521 Manual de usuario descargar pdf (Pagina 42)

Isopotential Point

This option allows the user to edit the isopotential point of the electrode used for ion measurements. The ion

selective electrodes have different isopotential points. If temperature compensation is desired for the ion

measurements, the isopotential point value is absolutely necessary.

The isopotential point is always edited in ppm (mg/L) units.

To set the Isopotential Point:

• Use or to select the Isopotential Point option.

• Press and use or to increase /

decrease the isopotential point value.

• Press key to save the modified value.

• Press to return to the Ion Setup options. If the Saving

Confirmation is enabled, press to accept the modified

option, to escape without saving or to return to

the editing mode. Otherwise, the modified option is saved automatically.

Note: If an ISE calibration was performed and the Isopotential Point option is changed, a warning message

appears on the LCD informing the user to perform a new calibration or to set the previous option in order

to perform accurate measurements.

ISE Significant Digits

Accessing this option, the number of ISE significant digits can be set, with one (x), two (xx) or three (xxx)

significant digits.

To set the ISE Significant Digits:

• Use or to select the

ISE Significant Digits

option.

• Press and use or to highlight the

desired option.

• Press to confirm your selection or press to

cancel operation.

Sample ID

This option allows the user to give to the measured samples an identification number/name. Two

Sample ID

options are available:

ID Increment

and

Edit Sample ID

ID Increment

None

– the sample ID will be edited alphanumerically by the user.

Automatic

– the sample ID will be automatically incremented at

every new log lot notification.

To select the ID increment mode:

• Use or to highlight the

ID Increment

option.

• Press and then use or to highlight

the desired option.

• Press to confirm your selection or press

cancel operation.

Edit Sample ID

This option allows the user to edit the sample ID (numeric - autoincrement mode, alphanumeric - user editable).

To edit the Sample ID:

• Use or to select the Sample ID option.

• Press and use or to highlight the

Edit Sample ID

option and then press .

• Edit numerically / alphanumerically the sample ID.

• Press to save the current sample ID or press

to cancel operation.

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Hanna-instruments HI 4521 Manual de usuario Pagina 42

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