Xylem ISE Electrodes Ag-S 60 - Handbuch (Seite 20)

Error diagnostics
Cause Remedy
Measured value
unstable
Inner junctions not sufficiently
wetted with bridge electrolyte
Fill up bridge electrolyte until the
inner junctions are covered with
bridge electrolyte
Inner junctions encrusted Leave the bridge electrolyte
to react on the inner junctions
for some hours until the
crusts have dissolved
Cable broken Exchange cable
Slope too low Membrane surface contaminated Polish the membrane surface
with polishing strip S/FK (see
MAINTENANCE)
Conditioning time too short Extend conditioning time
Standard solutions too old Use new standard solutions
Inner junctions
encrusted
Leave the bridge electrolyte
to react on the inner junctions
for some hours until the
crusts have dissolved.
Electrode defective Exchange electrode
Accessories
Description Type No. Order no.
Bridge electrolyte ELY/BR/503 106575
ISA sample conditioning solution ISA/FK 140110
Polishing strips (24 pieces) S/FK 180130