Etude Plus
9.5 Electromagnetic compliance (EMC)
Guidance and manufacturer´s declaration – electromagnetic emission
The medical bed is intended for use in the electromagnetic environment specified below. The customer or the user of the bed should assure
that it is used in such an environment.
Emissions test
Compliance
Electromagnetic environment - guidance
RF emissions
CISPR 11(partly)
Group I
The medical bed uses RF energy only for its internal function. Therefore, its RF emissions are
very low and are not likely to cause any interference in nearby electronic equipment.
RF emissions
CISPR 11(partly)
Class B
The medical bed is suitable for use in all establishments including domestic establishments
and those directly connected to the public low-voltage power supply network that supplies
buildings used for domestic purposes.
Harmonic emissions
IEC 61000-3-2
Class A
Voltage fluctuations /
flicker emissions
IEC 61000-3-3
Complies
Guidance and manufacturer´s declaration – electromagnetic immunity
The medical bed is intended for use in the electromagnetic environment specified below. The customer or the user of the bed 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 floors
are covered with synthetic material, the relative humidity
should be at least 30 %.
Electrostatic
transient / burst
IEC 61000-4-4
± 2 kV for power supply
lines
± 1 kV for input/output lines
± 2 kV for power supply
lines
± 1 kV for input/output 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
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 sec
< 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 sec
Mains power quality should be that of a typical commercial
or hospital environment. If the user of the medical
bed requires continued operation during power mains
interruptions, it is recommended that the medical bed
be powered from an un-interruptible power supply or
a battery.
U
T
is the a. c. mains voltage prior to application of the
test level.
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.
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Summary of Contents for Etude Plus
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