
5
GB
Guidance and manufacturer’s declaration – electromagnetic immunity
The LMD-X310ST/X550ST is intended for use in the electromagnetic environment specified below. The
customer or the user of the LMD-X310ST/X550ST should assure that it is used in such an environment.
Immunity test
IEC 60601
test level
Compliance level
Electromagnetic environment –
guidance
LMD-X310ST
LMD-X550ST
Electrostatic
discharge (ESD)
IEC 61000-4-2
±6 kV contact
±8 kV air
±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 for input/
output 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 line(s) to
line(s)
±2 kV line(s) to
earth
Not applicable
±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
Not applicable
< 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
LMD-X310ST/X550ST requires
continued operation during power
mains interruptions, it is
recommended that the LMD-
X310ST/X550ST 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
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.