Philips DreamStation 2 - Page 64

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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
(>95% dip in U
T
)
for 0.5 cycle at 45 degree
increments
<5% UT (>95% dip in UT)
for 1 cycle
70% UT (30% dip in UT)
for 0.5 seconds
<5% UT (>95% dip in UT)
for 5 seconds
<5% U
T
(>95% dip in U
T
)
for 0.5 cycle at 45 degree
increments
<5% UT (>95% dip in UT)
for 1 cycle
70% UT (30% dip in UT)
for 0.5 seconds
<5% UT (>95% dip in UT)
for 5 seconds
Mains power quality
should be that of
a typical home or
hospital environment.
If the user of the device
requires continued
operation during power
mains interruptions, it
is recommended that
the device be powered
from an uninterruptible
power supply or a
battery.
Power frequency (50/60
Hz) magnetic eld
IEC 61000-4-8
30 A/m 30 A/m Power frequency
magnetic elds
should be at levels
characteristic of a
typical location in a
typical hospital or
home environment.
NOTE: U
T
is the a.c. mains voltage prior to application of the test level.