29
Voltage
fluctuations/flicker
emissions
IEC 61000-3-3
Compliance
low-voltage power supply network that
supplies buildings used for domestic
purposes.
9.2
Electromagnetic immunity
The medical oxygen concentrator is intended for use in the electromagnetic
environment specified below. The customer or the user of the concentrator
should assure that it is used in such an environment. As following:
Immunity test
IEC60601
Test level
Compliance level
Electromagnetic
environment
Electrostatic
discharge (ESD)
IEC 61000-4-2
±6kV contact
±8kV contact
±15kV air
±6kV contact
±8kV contact
±15kV air
Floors should be
wood, concrete or
ceramic tile. If floor
are covered with
synthetic material,
the relative humidity
should be at least
30%.
Electrical fast
transient/burst
IEC 61000-4-4
±2kV for power
supply lines
±1 kV for
input/output lines
±2kV for power
supply lines
Not applied
Mains power quality
should be that of a
typical commercial
or hospital
environment.
Surge
IEC 61000-4-5
±1kV for line to line
±2kV for line to
ground
±1kV for line to
line
Not applied
Mains power quality
should be that of a
typical commercial
or hospital
environment.
Voltage dips,
short
interruptions
and voltage
variations on
power supply
input lines
IEC 61000-4-11
<5%U
T
,for 0.5
cycles
(95% dip in U
T
)
<40% U
T
, for 5
cycle
(60% dip in U
T
)
<70% U
T
, for 25
cycle
(30% dip in U
T
)
<5% U
T
, for 5s
<5% U
T
, for 0.5
cycle
(95% dip in U
T
)
<40% U
T
, for 5
cycle
(60% dip in U
T
)
<70% U
T
, for 25
cycle
(30% dip in U
T
)
<5% U
T
, for 5s
Mains power quality
should be that of a
typical commercial
or hospital
environment. If the
user of the
measuring system
requires continued
operation during
power mains