Hanna Instruments Thermometer HI 4221 Manuel d'utilisateur télécharger pdf (Page 45)

Relative mVRelative mV

Relative mV

MEASUREMENTS MEASUREMENTS

MEASUREMENTS

To measure the Relative mV of a sample:

• Press

and then to enter

Relative mV

Measure

mode.

• The instrument will display the measured Relative mV value

on the LCD, together with a short GLP information about the

last calibration or “Not Calibrated” message if no Rel mV

calibration was performed (no Rel mV offset set).

Notes: • If the measured mV potential is out of range, “-----”

will be displayed on the LCD.

• If pressing while in

Relative mV Measure

mode, the Relative mV offset screen will be dis-

played on the LCD. Press

to clear the existing

Relative mV or use

or to adjust the

Relative mV value and then press

to save the

current Relative mV. Press

at any time to

return to

Relative mV Measure

mode.

• Before performing a Rel mV calibration, make

sure that the electrode is immersed into the sample

to be measured.

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Hanna Instruments Thermometer HI 4221 Manuel d'utilisateur Page 45