Hanna-instruments HI 255 Manual de usuario descargar pdf (Pagina 15)

RELATIVE mV CALIBRATION

 Press CAL when the instrument is in RELATIVE mV measurement mode.

The mV and   tags will blink. Absolute mV is displayed on the

primary LCD and AbS message is displayed on the secondary LCD.

 When the reading is stable and inside the offset window (±2000 mV), the

instrument asks for confirmation.

 If the reading is out of the offset window, WRONG tag will be displayed.

 Press CFM to confirm absolute value. The instrument will display 0.0 mV

on the primary LCD and rEL message on the secondary LCD line. In this

moment the relative mV offset is equal to absolute mV reading.

 Use the ARROW keys if you want to change the displayed value.

 Press CFM to confirm relative mV calibration. The instrument will return to

measurement mode.

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Hanna-instruments HI 255 Manual de usuario Pagina 15