Here you will learn all about the maintenance of your reference electrodes with the ordering numbers 6.0728.x30 and 6.0728.x40.
The electrodes with the ordering numbers 6.0730.x00 are maintenance-free. However, the gel filling must not dry up. If the gel reference electrode is not used, store it in the supplied storage vessel filled with c(KCl) = 3 mol/L.