Xylem R 503/D - Handbuch (Seite 19)

R 503/P / R 503/D
19 ba15345e02 08/2007
What to do if ...
Measured value
unstable
Cause Remedy
– Inner junctions not
sufficiently wetted with
bridge electrolyte
– Fill up bridge electrolyte until
the inner junctions are
covered with bridge
electrolyte
– Inner diaphragms
encrusted
– Leave the bridge electrolyte
for some hours to take effect
on the inner junctions
– Ground junction
contaminated
– Rinse ground junction with
bridge electrolyte
or
– Clean the ground junction
with methanol (see
M
AINTENANCE )
– Cable broken – Replace the electrode