4Redox/ORP Electrode User Guide
Electrode PreparationElectrode Preparation for Refillable Electrodes
1. Remove the protective shipping cap from the sensing
element and save the cap for storage.
2. Clean any salt deposits from the exterior of the electrode by
rinsing with distilled water.
3. Uncover the filling hole by removing the tape and then add
electrode filling solution, Cat. No. 900011, to the electrode.
To maintain an adequate flow rate, the level of filling
solution must always be above the reference junction and
at least one inch above the sample level. The filling hole
should be open whenever the electrode is in use.
4. For Sure-Flow electrode only, wet the junction by pressing
down on the electrode cap to let a few drops of the filling
solution flow out of the electrode and then replenish any
lost solution.
5. Shake the electrode downward (similar to a clinical
thermometer) to remove air bubbles.
6. Connect the electrode to the meter.
Note: The fill hole must be open when the electrode is in use.
Electrode Preparation for Gel-Filled Electrodes
1. Remove the protective shipping cap from the sensing
element and save the cap for storage.
2. Clean any salt deposits from the exterior of the electrode by
rinsing with distilled water.
3. Shake the electrode downward (similar to a clinical
thermometer) to remove air bubbles.
4. Connect the electrode to the meter.