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Table 2: Electromagnetic immunity 1
Guidance and manufacture’s declaration-electromagnetic immunity
The device is intended for use in the electromagnetic environment specified below. The customer or the user should
assure that it is used in such an environment.
Immunity
test
IEC60601 test level
Compliance
level
Electromagnetic
environment-guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
±8 kV contact
±15 kV air
±8 kV contact
±15 kV 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
±2 kV for power supply
lines;
±1 kV for input/output
signal;
±0.5 kV for power supply
lines;
±1 kV for input/ output
signal;
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV Line to Line
±2 kV Line to Earth
±1 kV Line to Line
±2 kV Line to Earth
Mains power quality should be
that of a typical commercial or
hospital environment.
Voltage dips,short
interruptions and
voltage vatiations on
power supply input
lines
IEC 61000-4-11
<5%U
T
(>95%dip in U
T
)
for 0.5 cycle
40% U
T
(60%dip in U
T
)
for 5 cycle
70%U
T
(30%dip in U
T
) for
25 cycle
<5%U
T
(>95%dip in U
T
)
for 5 sec
<5%U
T
(>95%dip in U
T
)
for 0.5 cycle
40% U
T
(60%dip in U
T
) for
5 cycle
70%U
T
(30%dip in U
T
) for
25 cycle
<5%U
T
(>95%dip in U
T
)
for 5 sec
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
requires continued operation
during power mains
interruptions, it is recommended
that the device be powered from
an uninterruptible power supply
or a battery.
Power frequency
(50/60Hz) magnetic
field IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic fields
should be at levels characteristic
of a typical location in a typical
commercial or hospital
environment.
NOTE U
T
is the a.c. mains voltage prior to application of the test level.