6. ADDITIONAL IMPORTANT ITEMS
25
Guidance and declaration of manufacturer - Electromagnetic Immunity
For all Equipment and Systems
The
Oxygen Concentrator
is intended for use in the electromagnetic environment specified below.
The customer or the user of the
Oxygen Concentrator
should ensure that the unit is used in such an
environment.
Immunity
IEC 61000-4-2
test level
Compliance level
Electromagnetic
environment-guidance
Electrostatic
discharge
(ESD)
IEC 61000-4-2
±6 kV contact
discharge
±8 kV air discharge
±6 kV contact
discharge
±8 kV air discharge
Floors should be wood or
concrete or ceramic tile. If
floors are covered with
synthetic material, the relative
humidity must be at least 30%.
Electrical fast
transient/
bursts
IEC 61000-4-4
±2 kV for power
supply lines
±1 kV for
input/output lines
±2 kV for power
supply lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV differential
mode
±2 kV common
mode
±1 kV differential
mode
±2 kV common
mode ll
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% UT (>95 %
dip in UT) for 0.5
cycles
< 5% UT (>95% dip
in UT) for 0.5 cycles
Mains power quality should be
that of a typical commercial or
hospital environment. If the
user of the Oxygen
Concentrator requires
continued operation during
power mains interruptions, it is
recommended that the Oxygen
Concentrator be powered from
an interruptible power supply
or a battery.
40% UT (60% dip
in UT) for 5 cycles
40% UT (60% dip in
UT) for 5 cycles
70% UT (30% dip
in UT) for 25 cycles
70% UT (30 % dip
in UT) for 25 cycles
<5% UT (95% dip
in UT) for 5
seconds
<5% UT (95 % dip
in UT) for 5
seconds
Power
frequency
(50/60Hz)
magnetic IEC
61000-4-8
3 A/m
3A/m
Mains power quality should be
that of a typical commercial or
hospital environment.
Note: UT is the AC mains voltage prior to application of the test level.
