Neurosoft Neuron-Spectrum-1 Technical Manual page 40

Neuron-Spectrum (Technical Manual)
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
Electrostatic discharge
(ESD)
IEC 61000-4-2
Electrical fast
transient/burst
IEC 61000-4-4
Surge
IEC 61000-4-5
Voltage dips, short
interruptions and voltage
variations on power
supply input lines
IEC 61000-4-11
Power frequency
magnetic field
IEC 61000-4-8
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.
40
IEC 60601 test level 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% UT
(>95% dip in UT) for
0,5 and 1 cycle
40% UT (60% dip in
UT) for 5 cycles
70% UT (30% dip in
UT) for 25 cycles
120% UT (20% dip
in UT) for 25 cycles
<5% UT
(>95% dip in UT) for
5 s
3 A/m
Electromagnetic environment
Floors should be wood, concrete
±6 kV or ceramic tile. If floors are
covered with synthetic material,
the relative humidity should be at
least 30%.
±8 kV
1)
Mains power quality should be
±2kV
that of typical commercial or
hospital environment.
Not applicable
2)
Mains power quality should be
±1kV
that of typical commercial or
hospital environment.
2)
±2kV
Mains power quality should
3)
be that of a typical
20 ms
commercial or hospital
environment. If the user of the
digital system requires
continued operation during
power mains interruptions, it
3)
is recommended that the
100 ms
digital system be powered
from an uninterruptible power
supply or a battery.
3)
500 ms
3)
500 ms
3)
5000 ms
Power frequency magnetic
3 A/m fields should be that of a
typical commercial or hospital
environment.
-guidance