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Electromagnetic Compatibility
Immunity Test
Electrical Fast Transient
(EFT)/burst IEC 61000-4-4
Surge
IEC 61000-4-5
Dips/Interruptions/
Variations on power supply
input
IEC 61000-4-11
Power frequency
(50/60Hz) magnetic field
IEC 61000-4-8
66
Table 12-3 Electromagnetic Immunity (Continued)
IEC 60601 Test
Level
±2 kV for power
supply lines.
±1 kV for I/O
lines
±1 kV different-
ial mode
±2 kV common
mode
<5% U
for 0.5-
t
cycles
40% U
for 5-
t
cycles
70% U
for 25-
t
cycles
<5% U
for 5 sec
t
3 A/m
Electromagnetic
Compliance Level
Environment - Guidance
±2 kV for power
Care must be taken to route
supply lines.
all patient-coupled cables
away from high power, high
±1 kV for I/O
current or other cables or
lines
sources that may induce
electrical fast transients into
the patient-coupled cables.
If such interference is
suspected, the cables should
be re-routed and/or the
source of the interference
shielded or otherwise
isolated.
±1 kV
differential mode
±2 kV common
mode
<5% U
for 0.5-
t
cycles
40% U
for 5-
t
cycles
70% U
for 25-
t
cycles
<5% U
for 5 sec
t
3 A/m
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
Polaris Vicra User Guide - Revision 2
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