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2.2.1 Room Air Calibration
CAUTION:
Turn off all flow of gas to the MaxVenturi before calibration in room air.
Calibrating the oxygen sensor in a gas concentration other than room air (20.9%) will result
in an incorrect measurement of oxygen concentration.
2.2.2 100% Oxygen Calibration
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Shut off Oxygen supply.
Remove sensor from port.
Wait two (2) minutesfor
sensor to equilibratein
room air.
Press and hold CAL button
for three (3)seconds. Wait
for display to ead "20.9%".
Place sensor in port.
Connect Oxygen supply.
Plug room air inlet.
Turn ON/OFF valve to
the ON position.
