8. Main Specifications and Performance
-56-
Electromagnetic Immunity
The CX-1 is intended for use in the electromagnetic environment specified below.
The customer or the user of the CX-1 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
±(2, 4, 6) kV
contact
±(2, 4, 8) kV air
±(2, 4, 6) kV
contact
±(2, 4, 8) 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
±2 kV for power
supply lines
±1 kV for input/
output lines
±2 kV for power
supply lines
±1 kV for input/
output 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
±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
<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 5 sec
<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 5 sec
Mains power quality should be
that of a typical commercial or
hospital environment. If the user of
the CX-1 requires continued
operation during power mains
interruptions, it is recommended
that the CX-1 be powered from an
uninterruptible power supply.
Power frequency
(50/60Hz)
magnetic field
IEC 61000-4-8
3 A/m
3 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.
