AirSep MN152-1 - Manual (Page 13)

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Before setting flowmeters, ensure that the SureFlow station is level, and that
you are at the correct viewing angle to properly read and adjust the settings.
(See Figure 3.) Whether the flow stations are mounted on a wall or located on a
desk or table-top, make sure that you are positioned in front of the flowmeters to
be adjusted (bending down to eye level as necessary), so that when looking at
the flowmeter, each of its back and front black, horizontal line markings are in
perfect alignment (appear as just one horizontal line per increment). Proper
adjustment will appear to split the flowmeter ball horizontally across the center
of the ball as just one line
7.) Set the desired flow on each flowmeter used at the flow stations. The
maximum flow will be dependant on the capacity of the oxygen
concentrator used. The sum of the flow settings on the flow station’s
flowmeters must not exceed the total capacity of the oxygen concentrator.
It is very important to re-adjust the flows as necessary on all flowmeters being
used on the flow stations each time adjustment or discontinued use to one or
more of the flowmeters is made to ensure accurate prescriptions are
administered through all oxygen outlets on the unit. It may take several
adjustments to stabilize the flow on the SureFlow flowmeters.
8.) Observe that the flowmeter on the oxygen concentrator now indicates the
total combined amount of flow in use at the flow stations, which are
connected.
It is desirable to establish a protocol to monitor and verify flows at all SureFlow
outlets as well as from the oxygen concentrator on a periodic basis.
Figure 4