Appendix
NXT Owner’s Manual, NXT-UM01, MAN2010
113
Guidance and Manufacturer’s Declaration—Electromagnetic Immunity
Immunity
Test
IEC 60601 Test
Level
Compliance Level
Electromagnetic
Environment
—
Guidance
Electrostatic
discharge
(ESD)
IEC 61000-4-2
±8 kV contact
±15 kV air
±8 kV contact
±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%.
Electrical fast
transient/burst
IEC 61000-4-4
±1 kV for
input/output lines
±2 kV for AC and
DC powerlines
±1 kV for
input/output lines
±2 kV for AC and
DC powerlines
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
±2 kV common
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%
U
T
(100% dip
in
U
T
) for 0,5 cycle
at 0°, 45°, 90°,
135°, 180°, 225°,
270° and 315°.
70%
U
T
(
30% dip
in
U
T
) for 25 cycles
70%
U
T
(30% dip
in
U
T
) for 25 cycles
0%
U
T
(100 % dip
in
U
T
) for 5 secs
0%
U
T
(100% dip
in
U
T
) for 0,5 cycle
at 0°, 45°, 90°,
135°, 180°, 225°,
270° and 315°.
70%
U
T
(30% dip
in
U
T
) for 25 cycles
0%
U
T
(100 % dip
in
U
T
) for 5 secs
Mains power quality should
be that of a typical
commercial or hospital
environment. If the user of
the NXT requires continued
operation during power
mains interruptions, it is
recommended that the NXT
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 AC mains voltage prior to application of the test level.
