Hanna-instruments HI 2550 Manual do Utilizador descarregar pdf (Página 12)

AUTO-RANGINGAUTO-RANGING

AUTO-RANGING

The EC and TDS scales are auto-ranging. The meter automatically sets

the scale with the highest possible resolution.

By pressing ALT&LOCK, the auto-ranging feature is disabled and the

current range is frozen on the LCD. The “Auto” “Off” (auto-ranging

disabled) tags will be displayed on the LCD for a few seconds. To restore

the auto-ranging option, press ALT&LOCK again. The “Auto” “On”

(auto-ranging enabled) tags will be displayed on the LCD for a few

seconds.

Note: Auto-ranging is automatically restored if the range is changed, if

the setup or calibration modes are entered and if the meter is

turned off and back on again.

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Hanna-instruments HI 2550 Manual do Utilizador Página 12