User Manual

VIII. VIII.

VIII.

Electrode PreparationElectrode Preparation

Electrode Preparation

HI 4009

1. Remove protective cover from sensor tip.

2 . Prepare reference electrode by filling outer electrolyte

reservoir with HI 7072.

3. Place sensor and reference electrodes into electrode

holder and connect cable connectors to meter.

HI 4109

1 . Unwrap plastic film seal found over ceramic junction

on inner stem and discard. This is only used for ship-

ping and long term storage.

2. Rinse inner stem with deionized water making certain

to wet the o-ring found on the inner stem.

3. Reassemble electrode by gently pushing the inner

assembly into the outer body, sliding spring down

cable, and screwing cap into place.

4 . Remove fill hole cover and o-ring on fill hole spout.

5. Using the dropper pipette provided, add a few drops

HI 7072 fill solution to the electrode, wetting the o-

ring and rinsing out the fill solution chamber.

Deionized

Water

Remove

Parafilm