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Example:
Prescribed total flow rate is 8
LPM with an FiO
Start by locating total flow
rates in the 8's, then search
among the 8 LPM flow rates
for the closest FiO
Then look up the column
for the air LPM setting and
look left down the row for the
oxygen LPM setting.
For 8 LPM flow at 50% FiO
with an analyzer/monitor prior to use.
2.3 Use of Mixed Gas Analysis Port
The mixed gas analysis port on the MaxFLO
oxygen concentrations being delivered from the device. The mixed gas analysis port
contains a spring loaded valve which is opened on receipt of a standard 15mm flow
diverter connected to an analyzer/monitor. The mixed gas analysis port is designed to
support measurement of oxygen concentration without the need for continuous gas
bleed. The valve automatically closes when the diverter is removed.
Use caution to ensure the mixed gas analysis port is clean and free of any foreign matter
before each use. Always re-cover the port when the port is not in use with an oxygen
analyzer/monitor.
• Slide the mixed gas analysis port cover to the side to expose the port. Insert the
analyzer/monitor diverter completely into the port. A small gap may remain between
the bottom of the diverter and the top of the MaxFLO
gas analysis port contains a spring loaded valve. Diverters with improper fit may be pushed
out of the port by the force of the spring. Use the diverter supplied with the MaxFLO
• Follow the manufacturer's recommended calibration procedures as outlined for your
particular analyzer/monitor.
All Maxtec analyzers/monitors are designed to be calibrated at 100% O
recommends for accuracy, that during calibration, oxygen flow be set as close to the
desired total flow rate as possible. For example for a flow of 8 LPM of oxygen, and 4
LPM of air, calibrate using an oxygen flow of 10 LPM. Also, any downstream tubing
or cannula must be connected to the Mixed Gas Outlet in order to induce the same
amount of back pressure that will be seen during actual use.
3.0 PERFORMANCE CHECK
The MaxFLO
is designed for low maintenance operation. However, the following
2
functional tests should be performed periodically in order to ensure proper function.
• Install the MaxFLO
conduct the performance check.
4
of 50%.
2
to 50%.
2
set the air to 5 LPM and the oxygen to 3 LPM. Verify FiO
2
according to section 2.1 of this operating manual in order to
2
866.4.Maxtec
Oxygen Concentration
Medical Air (LPM)
0
1
2
3
1
2
3
0
21
21
21
1
2
3
4
1
100
61
47
41
2
3
4
5
2
100
74
61
53
3
4
5
6
3
100
80
68
61
4
5
6
7
4
100
84
74
66
can be used to spot check or monitor
2
, this is normal. Note: the mixed
2
www.maxtec.com
4
5
6
7
8
4
5
6
7
8
21
21
21
21
21
5
6
7
8
9
37
34
32
31
30
6
7
8
9
10
47
44
41
39
37
7
8
9
10
11
55
51
47
45
43
8
9
10
11
12
61
56
53
50
47
. Maxtec
2
9 10
9
10
21
21
10
11
29
28
11
12
35
34
12
13
41
39
13
14
45
44
2
.
2
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