Hanna-instruments HI 8711 Manuel d'utilisateur télécharger pdf (Page 5)

FRONT PANEL

Keypad

SENSOR TEST To display the mV reading of the electrode and,

therefore, verify its working condition

pH 7 TEST To verify the internal circuit of the meter in

terms of Offset compensation

pH 4 TEST To verify the amplifier circuit of the meter

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

Trimmers

OFFSET For Offset calibration

SLOPE For Slope calibration

FUNCTIONAL DESCRIPTION HI 8510FUNCTIONAL DESCRIPTION HI 8510

FUNCTIONAL DESCRIPTION HI 8510

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Hanna-instruments HI 8711 Manuel d'utilisateur Page 5