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Guidance and manufacturer´s declaration – electromagnetic immunity
Cervella
is intended for use in the electromagnetic environment specified below. The customer or the user
of the
Cervella
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
± 8 kV contact
± 2 kV, ± 4 kV, ± 8 kV,
± 15 kV air
±
8 kV contact
± 2 kV, ± 4 kV, ± 8
kV,
± 15 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 %.
Electrostatic
transient / burst
IEC 61000-4-4
± 2 kV for power
supply lines
± 1 kV for input/output
lines
±
2 kV for power
supply lines
Mains power quality
should be that of a
typical commercial or
hospital
environment.
Surge
IEC 61000-4-5
± 1 kV differential
mode
± 2 kV common mode
±
1
kV differential
mode
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 61000-4-11
0 % UT; 0,5 cycle g) At 0°, 45°,
90°, 135°, 180°, 225°, 270° and
315°
0 % UT; 1 cycle and 70 % UT;
25/30 cycles Single phase: at
0°
0 % UT; 250/300 cycle
0 % UT; 0,5 cycle g)
At 0°, 45°, 90°,
135°, 180°, 225°,
270° and 315°
0 % UT; 1 cycle and
70 % UT; 25/30
cycles Single
phase: at 0°
0 % UT; 250/300
cycle
Mains power quality
should be that of a
typical commercial or
hospital environment. If
the user of the
Cervella
requires continued
operation during power
mains interruptions, it is
recommended that the
Cervella
be powered
from an uninterruptible
power supply or a
battery.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
30 A/m
30 A/m
Power frequency
magnetic fields 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.