GE B20 User Manual page 155

Voltage dips, short <5% U
interruptions and
(>95% dip in U
voltage variations on
for 0.5 cycle
power supply lines
IEC 61000-4-11
40% U
(60% dip in U
for 5 cycles
70% U
(30% dip in U
for 25 cycles
<5% U
(>95% dip in U
for 5 sec
Power frequency (50/60 3 A/m
Hz) magnetic field
IEC 61000-4-8
NOTE U is the a.c. mains voltage prior to application of the test level.
T
<5% U
T T
) (>95% dip in U
T
for 0.5 cycle
40% U
T T
) (60% dip in U
T
for 5 cycles
70% U
T T
) (30% dip in U
T
for 25 cycles
<5% U
T T
) (>95% dip in U
T
for 5 sec
3 A/m
Mains power quality should be that of a typical
commercial or hospital environment. If user of the
)
T
equipment requires continued operation during
power mains interruptions, it is recommended
that the equipment be powered from an
uninterruptible power supply or a battery.
)
T
)
T
)
T
Power frequency magnetic field should be at
levels characteristic of a typical location in a
typical commercial or hospital environment.
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