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2.2.2 100% Oxygen Calibration
Note: Analyzer will read "Cal Err St" if the sample gas is not stable or if the oxygen sensor
has reached its end of life.
Remove plug from
room air inlet.
Turn flow knob a few
turns to flow gas.
Connect Oxygen supply.
Insert filter into room
air inlet.
Wait 2 minutes for
sensor to equilibrate.
Plug room air inlet.
Press and hold CAL
button for three (3)
seconds. Wait for
display to read 100%.
Turn ON/OFF valve to
the ON position.
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...2 minutes
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