PureAire Monitoring Systems, Inc.
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P a g e
approximately 30 minutes and the reading displayed will slowly increase to ambient.
Do not make
any adjustments to the reading until after the monitor has been powered for at least an hour.
NOTE:
Immediately after the countdown, the monitor will display
“
FLOW FAILURE: OUT OF RANGE
”
on the top line and disappear. This is
a fault history message only and is generated on start-up to verify the integrity of
the system.
The message will automatically clear
and “Oxygen” will display
on the top line and the “20.9%” reading will display on the bottom line.
If the fault is still present, the actual fault code will display on the bottom line.
The instrument should now be operating properly and is ready for monitoring.
NOTE:
The
Air Check
✓
O
2
monitor’s reading may be adjusted to the ambient oxygen level.
See section 6.1 for instructions on adjusting.
Pump Adjustment
The Air Check Sample Draw O
2
monitor has a built in digitally controlled flow
controlled sample pump. The pump flow is set at the factory and should not
require adjustment. It has a range to accommodate tubing lengths of 3 feet to
over 100 feet. If flow adjustment is necessary, please contact PureAire.
NOTE:
Normal flow rate is 0.25 liters per minute. (250cc/min)
Oxygen
239 WARM
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