Helio PM5500 用户手册
7
H
ELI
O
2
BLENDEr
HELIUM-OxygEn
COMPONENT dESCRIPTION
ITEM
DESCRIPTION
A
Oxygen Concentration dial
A dial used for selecting oxygen concentrations between 20%
-100% or 30%
-100%. The F
I
O
2
scale is used for reference
only.
The actual F
I
O
2
must be verified with an Alarmed
Oxygen Monitor / Analyzer.
This dial does not rotate 360°. The dial starts at 20% or
30% and ends at 100%.
B
Primary Outlet Port
A male DISS oxygen fitting with check valve that delivers flow
when engaged to any controlling device, such as a flowmeter.
C
Auxiliary Outlet Port
A male DISS oxygen fitting with check valve that delivers flow
when engaged to any controlling device, such as a flowmeter.
This outlet is equipped with a bleed valve that allows the user
to control if the bleed is ON or OFF. With the bleed in the “ON”
position, this outlet delivers accurate oxygen concentrations
in the following flows:
Model
Flow Range
High Flow
2 - 100 lpm
Low Flow
0 -
30 lpm
d
Auxiliary Bleed Collar
The collar is used to engage and disengage the bleed. The
bleed is necessary to maintain accurate F
I
O
2
Concentration
below 15 lpm for the High Flow and ≤ 3 lpm for the Low Flow.
To activate the bleed, slide and rotate the knurled collar back
until it contacts the cover. To deactivate the bleed, pull and
rotate collar away from cover until bleed flow valve is closed.
E
Oxygen Inlet Fitting
A female DISS or NIST oxygen fitting with one way valve that
is used to connect an oxygen supply hose.
F
Heliox Inlet Fitting
A male DISS or NIST heliox fitting with one way valve that
is used to connect a heliox supply hose.
G
Alarm
An audible alarm that sounds due to an excessive
pressure drop or deletion of either gas supply.
H
Rear Slide Mount with dove tail.