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67
LATITUDE
® Communicator Patient Manual
English
Immunity test
IEC 60601 test
level
Compliance level
Electromagnetic
environment—guidance
Voltage
dips, short
interruptions,
and voltage
variations on
power supply
input lines
(IEC
61000-4-11) <5% U
T
b
(>95% dip
in
U
T
) for 0.5
cycle
<5% U
T
(>95% dip
in
U
T
) for 0.5
cycle
Mains power quality
should be that of a
typical commercial or
hospital environment.
If the user of
the LATITUDE
Communicator
requires continued
operation during
power mains
interruptions, it
is recommended
that the LATITUDE
Communicator be
powered from an
uninterruptible power
supply or a battery.
40% U
T
(60% dip
in
U
T
) for 5
cycles
40% U
T
(60% dip
in
U
T
) for 5
cycles
70% U
T
(30% dip in
U
T
) for 25
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 5 sec
Power
frequency
(50/60 Hz)
magnetic
fi eld
(IEC
61000-4-8)
3 A/m 30 A/m Power frequency
magnetic
fi elds
should be at levels
characteristic of a
typical location in a
typical commercial or
hospital environment.
a. The LATITUDE Communicator is intended for use in the
electromagnetic environment speci fi ed above. The customer or the
user of the LATITUDE Communicator should assure that it is used
in such an environment.
b. U
T
is the AC main’s voltage prior to application of the test level.