Iii. international, Low / high flow operation verification procedure – Precision Medical Air-Oxygen Blender User Manual
Page 28
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Air-Oxygen Blender
III. INTERNATIONAL
LOW / HIGH Flow Operation Verification Procedure
(60 psi / 4.14 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
Low
Flow
High
Flow
LOW
FLOW
HIGH
FLOW
Low
Flow
High
Flow
1
ANY
60
4.14
60
4.14
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
60
4.14
60
4.14
3
15
open closed
end point
(±0.3)
Source Value
5
40
60
4.14
60
4.14
3
15
open closed
set point 37.0%-43.0%
6
60
60
4.14
60
4.14
3
15
open closed
set point 57.0%-63.0%
7
80
60
4.14
60
4.14
3
15
open closed
set point 77.0%-83.0%
8
100
60
4.14
60
4.14
3
15
open closed
end point
(±0.3)
Source Value
9
60
60
4.14
60
4.14
1
1.5
open
set point 57.0%-63.0%
10
60
60
4.14
70
4.83
1
1.5
open
set point 57.0%-63.0%
11
60
60
4.14
53
3.65
1
1.5
open
set point 57.0%-63.0%
12
60
60
4.14
Slowly
Lower
to 40
Slowly
Lower
to 2.76
3
15
closed
Alarm
ON
42.0
±2.0
psi
31.0
±6.0
psi
13
60
60
4.14
Slowly
Increase
to 60
Slowly
Increase
to 4.14
3
15
closed
Alarm
OFF
55.0 psi
MAX
14
60
Slowly
Lower
to 40
Slowly
Lower
to 2.76
60
4.14
3
15
closed
Alarm
ON
42.0
±2.0
psi
31.0
±6.0
psi
15
60
Slowly
Increase
to 60
Slowly
Increase
to 4.14
60
4.14
3
15
closed
Alarm
OFF
55.0 psi
MAX
16
60
60
4.14
60
4.14
MAX
closed
flow rate
30.0
lpm
MIN
120.0
lpm
MIN
17
60
60
4.14
0
0
MAX
closed
flow rate
30.0
lpm
MIN
85.0
lpm
MIN
18
60
0
0
60
4.14
MAX
closed
flow rate
30.0
lpm
MIN
85.0
lpm
MIN
19
60
60
4.14
60
4.14
MAX
open
flow rate
30.0
lpm
MIN
120.0
lpm
MIN
* Reference, Letter D. (Reverse Gas Flow Procedure)