Precision Medical Air-Oxygen Blender User Manual
Page 17
- 16 -
Air-Oxygen Blender
USA and CANADA ONLY
LOW Flow Operation Verification Procedure
(50 psi / 3.45 bar MODELS)
Serial No.
S
E
Q
#
DIAL
SET
Oxygen%
OXYGEN
PRESS
±1.0
AIR
PRESS
±1.0
FLOWMETER
SET TO
lpm ±0.2
AUXILIARY
BLEED
FUNCTION
TARGET
VALUE
ACTUAL
VALUE
psi
bar
psi
bar
1
ANY
50
3.45
50
3.45
closed
closed
leak
<2 psi
/
2 MIN
*2
60
75
5.17
0
0
0
closed
back flow <100 ml/min
*3
60
0
0
75
5.17
0
closed
back flow <100 ml/min
4
21
50
3.45
50
3.45
3
open
end point
(±0.3)
Source Value
5
40
50
3.45
50
3.45
3
open
set point 37.0%-43.0%
6
60
50
3.45
50
3.45
3
open
set point 57.0%-63.0%
7
80
50
3.45
50
3.45
3
open
set point 77.0%-83.0%
8
100
50
3.45
50
3.45
3
open
end point
(±0.3)
Source Value
9
60
50
3.45
50
3.45
1
open
set point 57.0%-63.0%
10
60
60
4.14
67
4.62
1
open
set point 57.0%-63.0%
11
60
60
4.14
50
3.45
1
open
set point 57.0%-63.0%
12
60
50
3.45
Slowly
reduce
to 30
Slowly
reduce
to 2.07
3
closed
Alarm
ON
30.0
± 2.0 psi
13
60
50
3.45
Slowly
Increase
until alarm
shuts off
3
closed
Alarm
OFF
45.0 psi
MAX
14
60
Slowly
Reduce
to 30
Slowly
Reduce
to 2.07
50
3.45
3
closed
Alarm
ON
30.0
± 2.0 psi
15
60
Slowly
Increase
until alarm
shuts off
50
3.45
3
closed
Alarm
OFF
45.0 psi
MAX
16
60
50
3.45
50
3.45
MAX
closed
flow rate
30.0 lpm
MIN
17
60
50
3.45
0
MAX
closed
flow rate
30.0 lpm
MIN
18
60
0
50
3.45
MAX
closed
flow rate
30.0 lpm
MIN
19
60
50
3.45
50
3.45
MAX
open
flow rate
30.0 lpm
MIN
* Reference, Letter D. (Reverse Gas Flow Procedure)