Instructions for use Humidifier Nebulizer
17
English
Definition of service terminology
Inspection
.
Repair
Dräger recommends that all repairs are performed
by DrägerService and that only authentic Dräger
repair parts are used.
Fault-Cause-Remedy
Technical Data
Concept
Definition
Service
All measures (inspection, repair)
intended to maintain or restore
the functional integrity of a
product
Inspection
Measures intended to determine
and assess the current state of a
product
Repair
Measures intended to restore the
functional integrity of a product
after a failure
Measure
Interval
Target group
Functional test
and visual in-
spection
Same as for
connected ba-
sic device (O
2
flowmeter,
O
2
DigiFlow)
Service person-
nel
Fault
Cause
Remedy
No aerosol
No distilled
water
Re-fill with
distilled water
No oxygen
Check oxygen
supply
Nebulizer not
attached
properly
Push nebulizer
onto housing
as far as it will
go
Leak in humidi-
fier
Loose
humidifier
bottle
Tighten bottle
properly
Faulty sealing
ring
Replace
sealing ring
Loose hose
connection
Connect hose
properly
Insufficient hu-
midification
Defective
sealing ring on
O
2
flowmeter
Replace
sealing ring, or
use new
nebulizer.
Loose fitting at
connection
Tighten fitting
at connection
Blockage of jet
on nebulizer
Replace
nebulizer
"Heavy" drop-
lets
Pressure of
drive gas too
low
Ensure
pressure of 5
bar
Leak in
nebulizer
Check O-ring
Fit nebulizer
properly
Operating principle
Venturi nebulizer
Drive gas
Oxygen (O
2
)
Operating pressure
5 ±0.5 bar
Gas consumption
5 to 15 L/min
Average droplet size
1 µm
Nebulizing rate at 15 L/min
O
2
36 g/h
Sound level at 15 L/min
50 dB (A)
Connecting thread
M 34 x 1.5
Distilled water volume
220 mL
Dimensions
Ø
59 mm
Height 198 mm
Weight without distilled water 230 g
Materials used
Humidifier bottle
Polysulfone
Nebulizer
Polysulfone
Housing
Polyamide
Ambient conditions
During operation
Temperature
5 °C to 40 °C
(41 °F to 104 °F)
Ambient pressure
700 to 1200 hPa
(10.2 to 17.4 psi)
Relative humidity
0 to 95 %, no
condensation
Summary of Contents for 2M85835
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Page 68: ...68 EN ISO 15883 1 2 3 4 40 C 60 C 104 F 140 F 5 80 C 95 C 176 F 203 F 5 6 7 8 DIN EN 285...
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Page 133: ...133 Dr ger O2 O2 DigiFlow O2 O2 A B C D O E F G H O2 004 A B C D E F G H...
Page 135: ...135 A O2 O2 DigiFlow B O2 O2 O2 DigiFlow A O2 O2 DigiFlow B C D O2 O2 DigiFlow 003 A B D C...
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