Hanna-instruments HI 4321 Manual de usuario descargar pdf (Pagina 42)

Make sure the instrument has been calibrated before taking conductivity measurements.

DIRECT MEASUREMENT

To measure the conductivity of a sample using the Direct reading

mode:

• Press

and then to select conductivity

measure mode.

• Select the

Direct

reading mode (see

Conductivity

Setup

• Submerge the conductivity probe and tap

it repeatedly to

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

Allow time for the reading to stabilize.

• The measured conductivity value will be displayed.

Note: If the reading is out of range, “-----” will be displayed.

DIRECT/AUTOHOLD MEASUREMENT

To measure conductivity of a sample using the Direct/AutoHold

reading mode:

• Select the Direct/AutoHold reading mode (see

Conductivity

Setup

• If pressing

, the “AutoHold” indicator will start blink-

ing on the display until the stability criterion is reached. The

conductivity value will be frozen on the display, along with

“AutoHold” indicator.

• To return to normal measure mode press .

CONDUCTIVITY MEASUREMENTCONDUCTIVITY MEASUREMENT

CONDUCTIVITY MEASUREMENT

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Hanna-instruments HI 4321 Manual de usuario Pagina 42