Cooper Surgical F9 Express, Руководство пользователя

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F9 Fetal & Maternal Monitor • User Manual
- 79 -
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
40% U
T
(60% dip in U
T
)
for 5 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 0.5 cycle
40% U
T
(60% dip in U
T
)
for 5 cycles
70% U
T
(30% dip in U
T
)
for 25 cycles
< 5% U
T
(> 95% dip in U
T
)
for 5 sec
Mains power quality should be
that of a typical commercial or
hospital environment. If the user
of the F9 Monitor requires
continued operation during
power mains interruptions, it is
recommended that the F9
Monitor be powered from an
uninterruptible power supply or
a battery.
NOTE: U
T
is the a.c. mains voltage prior to application of the test level.