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Voltage dips, voltage
variations and short
interruptions on power
supply input lines
IEC 61000-4-11
Power frequency (50/60 Hz)
magnetic field
IEC 61000-4-8
N N o o t t e e - - U
is the a.c. mains voltage before applications of the test level.
T
2874-009-005 Rev A.0
G G u u i i d d a a n n c c e e a a n n d d m m a a n n u u f f a a c c t t u u r r e e r r ' ' s s d d e e c c l l a a r r a a t t i i o o n n - - e e l l e e c c t t r r o o m m a a g g n n e e t t i i c c i i m m m m u u n n i i t t y y
0%U
for 0.5 cycle at 0°,
T
45°, 90°, 135°, 180°, 225°,
270°, and 315°
0%U
for 1 cycle
T
70%U
(30% dip in U
T
25/30 cycles
0% U
for 250/300 cycles
T
30 A/m
0%U
for 0.5 cycle at 0°,
T
45°, 90°, 135°, 180°, 225°,
270°, and 315°
0%U
for 1 cycle
T
) for
70%U
(30% dip in U
T
T
25/30 cycles
0% U
for 250/300 cycles
T
30 A/m
Main power quality should
be that of a typical
commercial or hospital
environment. If the user of
the 2874 I I s s o o T T o o u u r r pump
requires continued
operation during power
) for
main interruptions, it is
T
recommended that the
device be powered from an
uninterrupted 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.
23
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