Hanna-instruments HI 9828 Bedienungsanleitung PDF herunterladen (Seite 34)

• Press CONFIRM to store the calibration point.

• 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.

NONO

TETE

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

To abort the calibration press ESC after the first point is accepted.

If the D.O. input is not within the acceptable range, the message “IN-

VALID INPUT” is displayed.

D.O. concentration

A solution with known D.O. concentration is

needed to calibrate the D.O. concentration

range.

• From D.O. calibration menu, select DO con-

centration and 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 main 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 always inserted.

The conductivity calibration menu includes 3 dif-

ferent type 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 9828 Bedienungsanleitung Seite 34