Philips PS27QHDCR, User Manual

Page: 31 / 44

6. Important information
Immunity test IEC 60601-1-2
Test levels
Compliance level Electromagnetic
environment –
guidance
Voltage dips, short
interruptions and voltage
variations on power
supply input lines
IEC 61000-4-11
< 5% U
T
1
(> 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 5s
< 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 5s
Mains power quality
should by that of a typical
commercial or hospital
environment. If the user
of the PS27QHDCR
requires continued
operation during power
mains interruptions,
it is recommended
that the PS27QHDCR
be powered from an
uninterruptible power
supply or a battery.
Power frequency (50/60
Hz) magnetic
fi eld
IEC 61000-4-8
3 A/m 3 A/m Power frequency
magnetic
fi elds should
be at levels characteristic
of a typical location in
a typical commercial or
hospital environment.
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2.5 GHz
3 V
3 V/m
Portable and mobile
RF communications
equipment should be
used no closer to any
part of the PS27QHDCR,
including cables, than
the recommended
separation distance
calculated from the
equation applicable
to the frequency
of the transmitter.
Recommended
separation distance
d = 1.2 √ P
d = 1.2 √ P 80 MHz to 800
MHz
d = 2.3 √ P 800 MHz to 2.5
Ghz
Where P is the maximum
output power rating
of the transmitter in
watts (W) according
to the transmitter
manufacturer and d
is the recommended
separation distance in
meters (m).
Field strengths from
fi xed RF transmitters,
as determined by an
electromagnetic site
survey,
2
should be less
1. is the a.c. mains voltage prior to application of the test level.
K5902097 (451920611672) PS27QHDCR 22/05/2015 29