CHAPTER TWENTY-SEVEN
Technical specifications
212
Technical specifications
Guidance and manufacturer’s declaration – electromagnetic immunity
The Otoport OAE+ABR is intended for use in the electromagnetic environment specified
below. The user of the Otoport OAE+ABR 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 OAE+ABR
input lines
(60% dip in
U
T
)
(60% dip in
U
T
)
requires continued operation
for 5 cycles
for 5 cycles
during power mains
IEC 61000-4-11
interruptions, it is recommended
70%
U
T
70%
U
T
that the Otoport OAE+ABR be
(30% dip in
U
T
)
(30% dip in
U
T
)
powered 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.
Содержание DP Clinical
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Страница 222: ...CHAPTER TWENTY SEVEN Technical specifications 222 Technical specifications...
Страница 227: ...Otoport OAE ABR User Manual for Otoport DP TE model 227 Index...
Страница 228: ...CHAPTER TWENTY EIGHT Index 228 Index...
