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Problem
Possible cause Solution
No display
when ‘ON’
key
is pressed
a)
Batteries
not in place
b)
Batteries
not in correct
polarity (+ and
–
position)
c)
Weak
batteries.
a)
Check that
batteries are in
place and making
good contact
b)
Re-insert
batteries with
correct polarity
c)
Replace
batteries.
Unstable
Readings
a)
Insufficien
t electrolyte in
probe
b)
Air
bubbles around
probe
c)
Dirty or
damaged probe
d)
Probe not
deep enough in
sample
a)
Fill probe
with electrolyte and
replace pre-
membraned cap
b)
Stir or tap
probe to remove
bubbles.
c)
Clean the
probe and re-
calibrate
d)
Make sure
sample entirely
covers the probe
Содержание Green Drop Kit
Страница 1: ...Green Drop Instrument Instructions ...