Otodynamics Otoport Flex - Page 212

CHAPTER TWENTY-SEVEN
Technical specications
212
Technical specications
Guidance and manufacturer’s declaration – electromagnetic immunity
The Otoport OAE+ABR is intended for use in the electromagnetic environment specied
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 oors 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 di󰀨erential 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) elds should be at levels
magnetic eld 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.