Hanna-instruments HI 4321 Manual do Utilizador descarregar pdf (Página 47)

SALINITY CALIBRATIONSALINITY CALIBRATION

SALINITY CALIBRATION

Salinity calibration is a one-point procedure at 100.0% NaCl. Use the HI 7037L calibration solution

(sea water solution) as a 100% NaCl standard solution.

To enter salinity calibration:

• Set the meter for salinity range;

• Select the

Percent Scale

(see

Salinity Setup

section);

• Rinse the probe with some of the calibration solution or deionized water;

• Immerse the probe into HI 7037L solution. The sleeve holes must be completely submerged. Tap

the probe repeatedly to remove any air bubbles that may be trapped inside the sleeve.

• Enter in calibration mode by pressing

;

• Wait to stabilize;

• Press

to finish salinity calibration or press to cancel calibration.

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Hanna-instruments HI 4321 Manual do Utilizador Página 47