Neuron-Spectrum (Technical Manual)
40
Guidance and manufacturer’s declaration – electromagnetic immunity
The digital system is intended for use in the electromagnetic environment specified below. The customer
or the user of the digital system 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
±6 kV
Floors should be wood, concrete
or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be at
least 30%.
±8 kV
−
air
±8 kV
Electrical fast
transient/burst
IEC 61000-4-4
±2 kV
−
for power
supply lines
±2kV
1)
Mains power quality should be
that of typical commercial or
hospital environment.
±1 kV
−
for
input/output lines
Not applicable
Surge
IEC 61000-4-5
±1 kV differential
mode
±1kV
2)
Mains power quality should be
that of typical commercial or
hospital environment.
±2 kV common
mode
±2kV
2)
Voltage dips, short
interruptions and voltage
variations on power
supply input lines
IEC 61000-4-11
<5% UT
(>95% dip in UT) for
0,5 and 1 cycle
20 ms
3)
Mains power quality should
be that of a typical
commercial or hospital
environment. If the user of the
digital system requires
continued operation during
power mains interruptions, it
is recommended that the
digital system be powered
from an uninterruptible power
supply or a battery.
40% UT (60% dip in
UT) for 5 cycles
100 ms
3)
70% UT (30% dip in
UT) for 25 cycles
500 ms
3)
120% UT (20% dip
in UT) for 25 cycles
500 ms
3)
<5% UT
(>95% dip in UT) for
5 s
5000 ms
3)
Power frequency
magnetic field
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic
fields should be that of a
typical commercial or hospital
environment.
1) Ensured by PC compliance with IEC 61000-4-4 requirements.
2) Ensured by PC compliance with IEC 61000-4-5 requirements.
3) Ensured by PC compliance with IEC 61000-4-11 requirements.
Note: UT – is the a.c. mains voltage prior to application of the test level.
