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56
Regulatory statements
Electromagnetic immunity
The MD series display is intended for use in the electromagnetic environment specified below.
The customer or the user of the MD series display should assure that it is used in such an
environment.
Immunity test
IEC/EN 60601
Test levels
Compliance level
Electromagnetic environment –
guidance
Electrostatic discharge
(ESD) IEC/EN 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/EN
61000-4-4
± 2 kV for power supply
lines
± 1kV 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/EN 61000-4-5 ± 1 kV line(s) to line(s)
± 2 kV line(s) to earth
± 1 kV line(s) to line(s)
± 2 kV line(s) to earth
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/EN 61000-4-11
< 5%
U
T
1(> 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 5s
< 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 5s
Mains power quality should by that of a
typical commercial or hospital
environment.
If the user of the MD series LED Display
requires continued operation during
power mains interruptions, it is
recommended that the MD series LED
Display be powered from an
uninterruptible power supply or a battery.
Power frequency (50/60
Hz) magnetic field
IEC/EN 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.