17
Electr
oma
gnetic Compa
tibility
Guidance and Manufacturer’s declaration - electromagnetic immunity
The Doppler is intended for use in the electromagnetic environment speci
fi
ed below. The customer or the
user of the Doppler 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
± 8kV contact
± 15kV air
8kV
15kV
Floors should be wood, concrete
or ceramic tile. If
fl
oors are covered
with synthetic material, the relative
humidity should be at least 30%,
otherwise permanent damage could
be caused to the Doppler.
Electrical fast
transient/burst IEC
61000-4-4
± 2kV for power supply lines
± 1kV for input/output lines
N/A
N/A
Surge
IEC 61000-4-5
± 1kV line(s) to line(s)
± 2kV line(s) to earth
N/A
N/A
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 5s
N/A
N/A
Power frequency
(50/60Hz) magnetic
fi
eld IEC 61000-4-8
30A/m
30A/m
Power frequency magnetic
fi
elds
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.
