ABB Navigator 500 Series - Preparing the Sodium and Reference Electrodes for Storage

Navigator 500
Sodium analyzer 8 Maintenance
64 OI/ASO550–EN Rev. G
8.5.1 Preparing the sodium and reference electrodes for
storage
Referring to Fig. 8.4:
1. Unscrew (but do not remove) plastic sleeve
A and
carefully slide sodium electrode B out of the flowcell C.
2. Fill the rubber teat D (supplied with the sodium
electrode) with High Cal solution or typically with 1 mg kg
-1
sodium containing a few drops of concentrated ammonia
solution and push the teat over the end of the sodium
electrode.
3. Carefully withdraw reference electrode E from the
flowcell.
4. Fill the rubber teat F (supplied with the reference
electrode) with salt bridge solution and push the teat over
the end of the reference electrode.
5. Refit the filling hole plug G (non-reservoir option) or
H (reservoir option) to seal the refill aperture.
Note. Do not let electrodes dry out.
Fig. 8.4 Preparing the sodium and reference electrodes for
storage