CHAPTER THIRTY-ONE
Technical specifications
276
Guidance and manufacturer’s declaration – electromagnetic immunity
The Otoport is intended for use in the electromagnetic environment specified below.
The user of the Otoport should ensure that it is used in such an environment.
Immunity test
IEC 60601
Compliance
Electromagnetic
test level
level
environment - guidance
Electrostatic
± 6 kV contact
± 6kV contact
Floors should be wood,
discharge (ESD)
concrete or ceramic tile.
± 8 kV air
± 8 kV air
If floors are covered with
IEC 61000-4-2
synthetic material, the
relative humidity should be
at least 30%
Electrical fast
± 2 kV for power ± 2kV for power Mains power quality should
transient/burst
supply lines
supply lines
be that of a typical
commercial or hospital
IEC 61000-4-4
±1 kV for input/
±1kV for input/
environment.
output lines
output lines
Surge
± 1 kV line(s) to ± 1kV differential Mains power quality should
line(s)
mode
be that of a typical
commercial or hospital
IEC 61000-4-5
± 2 kV line(s) to ± 2kV common
environment.
earth mode
Voltage dips,
<5%
U
T
<5%
U
T
Mains power quality should
short interrup-
(>95% dip in
U
T
) (>95% dip in
U
T
) be that of a typical
tions and voltage for 0.5 cycle
for 0.5 cycle
commercial or hospital
variations on
environment. If the user
power supply
40%
U
T
40%
U
T
of the Otoport requires
input lines
(60% dip in
U
T
)
(60% dip in
U
T
)
continued operation during
for 5 cycles
for 5 cycles
power mains interruptions,
IEC 61000-4-11
it is recommended
70%
U
T
70%
U
T
that the Otoport be powered
(30% dip in
U
T
)
(30% dip in
U
T
)
from an uninterruptible
for 25 cycles
for 25 cycles
power supply or a battery.
<5%
U
T
<5%
U
T
(>95% dip in
U
T
) (>95% dip in
U
T
)
for 5 s
for 5 s
Power frequency 3 A/m
3 A/m
Power frequency magnetic
(50/60 Hz)
fields should be at levels
magnetic field
characteristic of a typical
location in a typical
IEC 61000-4-8
commercial or hospital
environment
NOTE
U
T
is the a.c. mains voltage prior to application of the test level.
Technical specifications
