Hanna-instruments HI 8711 Manual de usuario descargar pdf (Pagina 9)

Keypad

SET To set the pH dosage limit

MEASURE To enter measurement mode and to enable

diagnostic tests

SENSOR TEST To display electrode mV reading and verify its

working condition

ΔALARM To display & set alarm tolerance

pH 7 TEST To verify Offset compensation

pH 4 TEST To verify amplifier circuit

Note: Each time a key is pressed the corresponding LED is turned ON

or changes its blinking behavior (ΔALARM).

Trimmers

OFFSET For Offset calibration

SLOPE For Slope calibration

ΔALARM To set the alarm tolerance

FRONT PANEL

FUNCTIONAL DESCRIPTION HI 8710FUNCTIONAL DESCRIPTION HI 8710

FUNCTIONAL DESCRIPTION HI 8710

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Hanna-instruments HI 8711 Manual de usuario Pagina 9