Hanna-instruments HI 98280 Instrukcja Użytkownika Pobierz pdf (Strona 35)

• The following messages will appear: “Storing data on probe, please wait...”,

“Updating GLP data, please wait ...” and “Calibration completed”.

• Press <OK> to return to the “Calibration” menu.

• To return to the main menu, press ESC repeatedly.

NoteNote

Note The user can perform a single point calibration with standard values.

To abort the procedure, press ESC after the first point is accepted.

If the DO input is not within the acceptable range, the message “Invalid

input” is displayed.

DO concentration

To calibrate the DO concentration range, a solution with known DO concentra-

tion value is needed.

• From the “DO calibration” menu, select the

“DO concentration” option, insert the known

value and press <OK>.

• When the reading is stable, press <Confirm>

to accept the value.

• When the messages “Storing data on probe, please wait...”, “Updating GLP

data, please wait ...” and “Calibration completed” appear, the calibration is

completed. To return to the “Calibration” menu, press <OK>.

• To return to the main menu, press ESC repeatedly.

4.4 CONDUCTIVITY CALIBRATION

For a correct conductivity calibration, the probe sleeve must be inserted.

The conductivity calibration menu includes 3 dif-

ferent types of calibration: Conductivity, Actual

conductivity and Salinity.

The “Conductivity” option allows a single point

calibration with a standard solution selectable

by the user. This calibration is temperature com-

pensated.

The “Actual conductivity” option allows a single point calibration with a custom

conductivity solution of known actual value (not temperature compensated).

The “Salinity” option allows calibration with a standard salinity solution.

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Hanna-instruments HI 98280 Instrukcja Użytkownika Strona 35