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Voltage dips,
0% U
short
(100% dip in
interruptions
U
)
T
and voltage
for 0.5/1
variations on
cycles
power supply
input lines
40% U
(60% dip in
IEC 61000-4-11
U
)
T
for 5 cycles
70% U
(30% dip in
U
)
T
for 25/30
cycles
(for 0.5 sec)
0% U
(100% dip in
U
)
T
for 250/300
cycles
(for 5 sec)
Power
30 A/m
frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
NOTE: U
is the a.c. mains voltage prior to application of the test level.
T
a For example, 10/12 means 10 cycles at 50 Hz or 12 cycles at 60 Hz.
8
GB
0% U
T
T
(100% dip in
U
)
T
for 0.5/1
a
a
cycles
40% U
T
T
(60% dip in
U
)
T
for 5 cycles
70% U
T
T
(30% dip in
U
)
T
for 25/30
a
a
cycles
(for 0.5 sec)
0% U
T
T
(100% dip in
U
)
T
for 250/300
a
a
cycles
(for 5 sec)
30 A/m
Mains power quality should be that of a
typical commercial or hospital
environment. If the user of the
AC-81MD/82MD requires continued
operation during power mains
interruptions, it is recommended that the
AC-81MD/82MD be powered from an
uninterruptible power supply or a battery.
Power frequency magnetic fields should
be at levels characteristic of a typical
location in a typical commercial or
hospital environment.
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