18
At a low battery voltage, the OxySpy shows the
battery symbol.
If the battery symbol appears, the indica-
ted
O
2
% value could be wrong.
The battery is sold in camera and electronic sto-
res. For more information about the battery, refer
to page 20.
The displayed oxygen percentage of the air
goes up and down, even if the actual percenta-
ge does not change.
The
Battery
Symbol is
displayed
English
Possible reasons:
Extremely low
temperature
The battery is
weak.
How to solve:
Warm up the OxySpy
and check again.
Replace the battery. See
page 10.
Possible reasons:
After a measure-
ment of an
O
2
enri-
ched gas, the high
concentration of
oxygen in the Oxy-
Spy has first to be
reduced.
O
2
sensor is defec-
tive or used up.
How to solve:
"Flush" (move it back
and forth) the OxySpy in
air for approximately 30
seconds. Try to measure
again.
Replace the O
2
sensor.
O
2
% indi-
cation not
stable in
the air
Service Indications / Trouble Shooting
Possible reasons:
The OxySpy has
been calibrated in
extremely humid air.
How to solve:
Calibrate the OxySpy in
pure oxygen (100%) or
in compressed air from
a tank!
The indi-
cated
O
2
-value is
inaccurate
The measured O
2
-value deviates from the actual
O
2
-content by more than 1 or 2 percent.
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