EMC
B-2
Guidance and Declaration - Electromagnetic Immunity
The patient monitor is suitable for use in the electromagnetic environment specified below. The
customer or the user of the patient monitor 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
±6 kV contact
±8 kV air
±6 kV contact
±8 kV air
Floors should be wood,
concrete or ceramic tile. If
floors 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 I/O for
input/output lines
(>3 m)
±2 kV for power
supply lines
±1 kV I/O for
input/output lines
(>3 m)
Surge IEC
61000-4-5
±1 kV differential
mode
±2 kV common mode
±1 kV differential
mode
±2 kV common mode
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
(>95 % dip
in U
T
) for 0.5 cycle
40 % U
T
(60 % dip in
U
T
) for 5 cycles
70 % U
T
(30 % dip in
U
T
) for 25 cycles
<5 % U
T
(>95 % dip
in U
T
) for 5 s
<5 % U
T
(>95 % dip
in U
T
) for 0.5 cycle
40 % U
T
(60 % dip in
U
T
) for 5 cycles
70 % U
T
(30 % dip in
U
T
) for 25 cycles
<5 % U
T
(>95 % dip
in U
T
) for 5 s
Mains power quality should
be that of a typical
commercial or hospital
environment. If the user of
our product requires
continued operation during
power mains interruptions,
it is recommended that our
product be powered from
an uninterruptible power
supply or a battery.
Power frequency
(50/60 HZ)
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 AC mains voltage prior to application of the test level.
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