eutech-instruments silversulfide epoxy User Manual
Silver/Silver Sulfide Electrode
Instruction Manual
24
TROUBLESHOOTING HINTS
Symptom
Symptom
Possible Causes
Next Step
Out of Range
defective meter
check meter with
Reading shorting
strap
(see
meter
instruction
manual)
defective electrode
check electrode operation
electrodes
not unplug
electrodes
plugged in properly
and reset
reference electrode
be sure reference
not filled
electrode is filled
air bubble on
remove bubble by
membrane
re-dipping
electrode
electrodes
not put
electrodes
in
solution
in
solution
Noisy or Unstable
defective meter
check meter with
Readings
(readings
shorting
strap
continuously or
rapidly changing)
air bubble on
remove bubble by
membrane
re-dipping
electrode
ISA not used
use recommended ISA
meter or stirrer
ground meter or stirrer
not grounded
defective
electrode
replace
electrode
electrode exposed
soak electrode in
to interference
silver or sulfide standards
Drift (reading
samples and standards
allow solutions to
slowly changing
at different temperatures
come to room temperature
in
one
direction) before
measurement
electrode exposed
check section entitled
to complexing agents
Complexation
incorrect
reference
use
recommended
filling
solution filling
solution