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Guidance and manufacturer's declaration - electromagnetic immunity
The LMD-DM50/DM30/DM20 is intended for use in the electromagnetic environment specified below. The customer or the user of the
LMD-DM50/DM30/DM20 should assure that it is used in such as environment.
IEC 60601 test
Immunity test
level
Electrostatic
±6 kV contact
discharge (ESD)
±8 kV air
IEC 61000-4-2
Electrical fast
±2 kV for power
transient/burst
supply lines
IEC 61000-4-4
±1 kV for input/
output lines
Surge
±1 kV differential
mode
IEC 61000-4-5
±2 kV common
mode
Voltage dips, short
< 5% U
T
interruptions and
(> 95% dip in U
voltage variations
for 0.5 cycle
on power supply
input lines
40% U
T
(60% dip in U
IEC 61000-4-11
for 5 cycles
70% U
T
(30% dip in U
for 25 cycles
< 5% U
T
(> 95% dip in U
for 5 sec
Power frequency
3 A/m
(50/60Hz)
magnetic field
IEC 61000-4-8
NOTE: U
is the a.c. mains voltage prior to application of the test level.
T
Compliance level
±6 kV contact
±8 kV air
±2 kV for power
supply lines
±1 kV for input/
output lines
±1 kV differential
mode
±2 kV common
mode
< 5% U
T
)
(> 95% dip in U
)
T
T
for 0.5 cycle
40% U
T
)
(60% dip in U
)
T
T
for 5 cycles
70% U
T
)
(30% dip in U
)
T
T
for 25 cycles
< 5% U
T
)
(> 95% dip in U
)
T
T
for 5 sec
3 A/m
Electromagnetic environment - guidance
Floors should be wood, concrete or ceramic tile. If floors are
covered with synthetic material, the relative humidity should be
at least 30%.
Mains power quality should be that of a typical commercial or
hospital environment.
Mains power quality should be that of a typical commercial or
hospital environment.
Mains power quality should be that of a typical commercial or
hospital environment. If the user of the LMD-DM50/DM30/
DM20 requires continued operation during power mains
interruptions, it is recommended that the LMD-DM50/DM30/
DM20 be powered from an uninterruptible power supply or a
battery.
Power frequency magnetic fields should be at least characteristic
of a typical location in a typical commercial or hospital
environment.
5
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