Hanna-instruments HI 9829 Manual de usuario descargar pdf (Pagina 36)

7.1 QUICK CALIBRATION

The quick calibration method provides a quick single point calibration for pH,

conductivity and dissolved oxygen sensors. HI 9828-25 calibration solution is

used for both pH and conductivity.

• Fill the calibration beaker 2/3 full with HI 9828-25 calibration solution.

• Slowly place the sensors into the solution and

dislodge bubbles that may adhere to the sensors.

• Screw the calibration beaker completely on the

probe body. Some solution may overflow.

• Wait a few minutes for the system to stabilize.

• From the “Calibration” menu select “Quick

calibration”.

• A three item calibration menu will appear (pH,

Conductivity and Dissolved oxygen) and “pH”

will start to blink along with the “Not ready”

message.

• When the pH signal is stable, the “Ready”

message appears. Press <Confirm> to store the

calibration data.

• The “Storing” message will appear as the

calibration proceeds to the next sensor. A

checkmark will appear in the box next to “pH” to

indicate a successful calibration.

NoteNote

Note To bypass any of the calibrations press

<Skip> to move to the next sensor in the

quick calibration menu.

If the pH sensor is not installed the message

“pH sensor not installed! Skip to

conductivity calibration” will appear.

• Following the pH calibration, “Conductivity” will start to blink along with the

“Not ready” message.

• When the measurement is stable, “Ready” appears. Press <Confirm> to store

the calibration data and the “Storing” message will appear.

NoteNote

Note If EC calibration is not required, skip to

the D.O. quick calibration by pressing the

<Skip> softkey.

• The message “Empty the beaker.” will appear.

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Hanna-instruments HI 9829 Manual de usuario Pagina 36