4. Guidance & Manufacturer’s Declaration –
Electromagnetic Immunity
The AIROS 8 Sequential Compression Device is intended for use in the
electromagnetic environment specied below. The customer or user of the
AIROS 8 Sequential Compression Device should assure that it is used in such an
environment.
Immunity Test IEC 60601 test
level
Compliance
level
Electromagnetic Environment –
Guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
±6 kV contact
±8 kV air
±6 kV contact
±8 kV air
Floors should be wood, concrete
or ceramic tile. If oors are
covered with synthetic material,
the relative humidity should be at
least 30 %.
Electrical fast
transient/burst IEC
61000-4-4
±2 kV for power
supply 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 line(s)
and neutral
±1 kV line(s)
and neutral
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 cycle 40
% UT (60 %
dip in UT) for
5 cycles 70 %
UT (30 % dip
in UT) for 25
cycles <5 %
UT (>95 % dip
in UT) for 5s
<5 % UT (>95
% dip in
UT) for 0,5
cycle 40 %
UT (60 % dip
in UT) for 5
cycles 70 %
UT (30 % dip
in UT) for 25
cycles <5 %
UT (>95 % dip
in UT) for 5s
Mains power quality should be
that of a typical commercial or
hospital environment. If a dips or
an interruption of mains power
occurs, the current of the AIROS
8 SEQUENTIAL COMPRESSION
DEVICE may be dropped off from
normal level, it may be necessary
to use uninterruptible power
supply or a battery.
Power frequency
(50/60 Hz)
magnetic eld IEC
61000-4-8
3 A/m 3 A/m Power frequency magnetic elds
should be at levels characteristic
of a typical location in a
typical commercial or hospital
environment.
NOTEL UT is the a.c. mains voltage prior to application of the test level
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