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ELECTROMAGNETIC INTERFERENCE IMMUNITY DIN EN 60601-1-2, 6.8.3.201, Table 202
Interference immunity tests
Discharge of static electricity
(ESD) acc. to IEC 61000-4-2
Transient electrical
disturbances in rapid
succession / bursts acc. to
IEC 61000-4-4
Voltage bursts (Surges)
acc. to IEC 6100-4-5
Voltage dips, brief power
outages and fluctuations in
power supply voltage acc. to
IEC 61000-4-11
Magnetic field for power
supply frequency (50/60 Hz)
acc. to IEC 61000-4-8
IEC 60601- test
level
± 6 kV contact
discharge
± 8 kV
air discharge
± 2 kV
for mains cables
± 1 kV
for input and
output lines
± 1 kV
normal-mode
voltage
± 2 kV
common-mode
voltage
< 5% U
τ
( > 95% dip in
U
) for ½ period
τ
40 % U
( 60%
τ
dip in U
) for 5
τ
periods
70% U
τ
( 30% dip in U
for 25 periods
<5% U
τ
(> 95% dip in U
) for 5 s
3 A/m
Note: U
is the a.c. supply voltage prior to application of the test level
τ
Compatibility
Electromagnetic Environment Guidelines
Level
Floor surfaces should be of wood or concrete
± 6 kV
or be covered with ceramic tiles. If the floor
± 8 kV
is covered with synthetic material, the
relative humidity must be at least 30%.
± 2 kV
The quality of the power supply voltage
------------------
should be equal to that of a typical business
± 1 kV
or hospital environment.
The quality of the power supply voltage
± 1 kV
should be equal to that of a typical business
± 2 kV
or hospital environment.
< 5% U
τ
( > 95% dip in
U
) for ½ period
τ
The quality of the power supply voltage
40 % U
( 60%
τ
should be equal to that of a typical business
dip in U
) for 5
τ
or hospital environment.
periods
If the user of Oculus equipment requires
continuous operation even in the event of
70% U
τ
power outages, it is recommended that the
)
( 30% dip in U
)
τ
τ
equipment be powered by an outage-proof
for 25 periods
power supply or a battery.
<5% U
τ
(> 95% dip in U
τ
τ
) for 5 s
Magnetic field levels for power supply
3A/m
frequencies should be equal to those typically
found in business and hospital environments.
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