CareFusion MicroLab Betriebshandbuch Seite 90

Voltage dips,
short
interruptions
and voltage
variations on
power supply
input lines
IEC61000-4-11
Power frequency
(50/60Hz)
Magnetic field
IEC61000-4-8
NOTE U is the a.c. mains voltage prior to application of the test level.
T
<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 s
3 A/m
<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 s
3 A/m
89
Mains power quality
should be that of a
typical commercial or
hospital environment. If
the user of the MicroLab
requires continued
operation during power
mains interruptions, it is
recommended that the
MicroLab be powered
from an uninterruptable
power supply or a
battery
If incorrect operation
occurs, it may be
necessary to position
the MicroLab further
from sources of power
frequency magnetic
fields or to install
magnetic shielding.
The power frequency
magnetic field should
be measured in the
intended installation
location to assure that it
is sufficiently low.