Hanna-instruments HI 9811 Manuel d'utilisateur télécharger pdf (Page 12)

These meters are powered by a 9V battery that is located on the rear

of the instrument.

When battery symbol is empty a low battery condition is indicated.

When the low battery indication appears, only a few hours of working

time remains.

It is recommended to replace the battery immediately.

When the battery level is so low that it may cause unreliable

measurements, the meter turns off.

Battery replacement must only take place in a nonhazardous area

using a 9V alkaline battery.

Unscrew the three screws on the rear of the meter, remove the battery

compartment cover and replace the 9V battery with a new one while

observing its polarity.

Make sure the battery contacts are tight and secure before replacing

the cover.

BATTERY REPLACEMENTBATTERY REPLACEMENT

BATTERY REPLACEMENT

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Hanna-instruments HI 9811 Manuel d'utilisateur Page 12