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6.6 Checking O
Purity
2
Although the Platinum Mobile oxygen concentrator
offers pulse dose only, the oxygen purity can be
checked with a hand held oxygen analyzer.
Oxygen purity should be checked annually, or
between patients, or every 4,320 hours, whichever
comes first.
1. Connect an oxygen cannula to the patient outlet port D.
2. Turn the unit On.
3. Press the flow selection button A to increase the flow
to setting P4.
1187375-E
4. Enter autopulse mode by simultaneously pressing and
holding the display backlight button B and audio off
(mute) button C until P4 appears on the display screen.
The oxygen concentrator must be out of the
warm up phase to enter autopulse mode.
15 seconds after exiting the warm up phase,
a "No Breath Detected" alarm will occur if
autopulse mode is not entered correctly. If this
occurs, repeat step 3.
The unit will remain in auto-pulse mode until
flow setting is changed or unit is turned off.
5. Connect a standard hand held oxygen analyzer to the
oxygen cannula.
6. Follow the directions provided by the analyzer
manufacturer. Some analyzers will also measure flow
and pressure, but only if connected to a continuous
flow of oxygen (so these options are not usable on this
pulse only unit).
The oxygen purity reading may fluctuate slightly
due to the pulse flow. It is recommended that
you record a high and a low over a 60 second
time period.
7. The oxygen concentrator is functioning properly when
the oxygen purity level is 87% or above after a five
minute warm-up period.
8. If oxygen purity level is 87% or less, check the air intake
filter screen and clean if necessary. If still getting an
oxygen purity level less than 87%, contact Invacare for
service.
Maintenance
41
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