Truly DB68, User Manual

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11 / 15
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
“XXX” requires
continued operation during power
mains interruptions, it is recommended
that the “XXX” be
powered from an uninterruptible power
supply or a battery.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic fields
should be at levels characteristic of a
typical location in a typical commercial
or hospital environment.
NOTE
U
T is the a.c. mains voltage prior to application of the test level.