User's Manual Part 6

138
User's Guide
Immunity Test IEC 60601 Test
Level
Compliance Level Electromagnetic
Environment—
Guidance
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 NESS
L300 Plus System
requires continued
operation during
power mains
interruptions, it
is recommended
that the equipment
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 AC mains voltage prior to application of the test level.