Mindray VS 9 - Page 246

B - 4
Voltage dips
and Voltage
interruptions
IEC 61000-4-11
0% U
T
for 0.5 cycle
0% U
T
for 1 cycle
and 70% U
T
for 25/
30 cycles
0% U
T
for 250/300
cycles
0% U
T
for 0.5 cycle
0% U
T
for 1 cycle
and 70% U
T
for 25/
30 cycles
0% U
T
for 250/300
cycles
Mains power quality
should be that of a typical
commercial or hospital
environment. If the user of
our product requires
continued operation
during power mains
interruptions, it is
recommended that our
product be powered from
an uninterruptible power
supply or a battery.
RATED power
frequency
magnetic
fields
IEC 61000-4-8
30 A/m
50 Hz/60 Hz
30 A/m
50 Hz/60 Hz
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 AC mains voltage prior to application of the test level.