Electromagnetic
Environment Guidance
Compliance
Level
IEC 60601
Test Level
Immunity
Test
Mains power quality should be
that of a typical commercial or
hospital environment. If you
require continued operation
during power mains
interruptions, Philips
recommends that the system
be powered from an
uninterruptible power supply
or a battery.
Same as
IEC 60601 test
level
Drop out <40
msec
Voltage dips,
short
interruptions,
and voltage
variations on
power supply
input lines,
IEC
61000-4-11
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
Same as IEC
60691 test level
3 A/mPower
frequency
(50/60 Hz)
magnetic
field, IEC
61000-4-8
For recommended separation
distances, see "Recommended
Separation Distance" on page
80.
3.0 V
3 VRMS
150 kHz to 80
MHz
Conducted
RF, IEC
61000-4-6
For recommended separation
distances, see "Recommended
Separation Distance" on page
80.
3 V/m
3 V/m
80 MHz to 2.5
GHz
Radiated RF,
IEC
61000-4-3
Cables, transducers, and accessories connected to the system may affect its
immunity to the electromagnetic phenomena listed in the preceding table. Use
only approved accessories, cables, and transducers to minimize the chance of
performance degradation of the system due to those types of electromagnetic
phenomena.
77
iU22 User Manual
4535 614 45861
2
Safety
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