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Table 2. Guidance and manufacturer’s declaration—
electromagnetic immunity—for all equipment and systems a b
IEC 60601 test Electromagnetic
Immunity test Compliance level English
level environment—guidance
Electrostatic ±6 kV contact ±8 kV contact The relative
discharge humidity should be
(ESD) (IEC ±8 kV air ±15 kV air at least 15 percent.
61000-4-2)
Electrical fast ±2 kV for ±2 kV for Mains power quality
transient/ power supply power supply should be that of a
burst (IEC lines lines typical commercial
61000-4-4) or hospital
±1 kV for ±1 kV for environment.
input/output input/output
lines lines
Surge ±1 kV ±1 kV Mains power quality
(IEC differential differential should be that of a
61000-4-5) mode mode typical commercial
or hospital
±2 kV ±2 kV environment.
common common
mode mode
b
Voltage <5% U <5% U Mains power quality
T
T
dips, short (>95% dip (>95% dip should be that of a
interruptions, in U ) for 0.5 in U ) for 0.5 typical commercial
T
T
and voltage cycle cycle or hospital
variations on environment.
power supply 40% U 40% U
T
T
input lines (60% dip (60% dip
(IEC in U ) for 5 in U ) for 5
T
T
61000-4-11) cycles cycles
70% U 70% U
T
T
(30% dip in (30% dip in
U ) for 25 U ) for 25
T
T
cycles cycles
<5% U T <5% U T
(>95% dip in (>95% dip in
U ) for 5 sec U ) for 5 sec
T
T
LATITUDE Communicator Patient Manual 89
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