14
Guidelines and manufacturer's declaration - electromagnetic immunity
The
is made to be used in the electromagnetic environments specified below. The
client or the user of the
must be sure that it is used in such environment.
equipment
equipment
The
recommended
power
supply quality is the same as
used
for
commercial
or
hospital environment. If is
required a continuous use
during energy supply outages,
it is recommended that the
equipment be feed by an
uninterruptible power supply
or a battery.
If an image distortion occurs,
may be necessary place the
equioment far from the supply
frequency
or
to
installa
magnetic
armour.
The
frequency magnetic field shall
b e
m e a s u r e d
a t
t h e
installment place to assure
that it is low enough.
Immunity
test
ABNT Test level
NBR IEC 60601
Level of
compliance
Electromagnetic environment
Directives
Electrostatic
discharge(ESD)
IEC 6100-4-2
Quick electric
transitory phases /
train of pulses
(”Burst”)
IEC 61000-4-4
Surges
IEC 61000-4-5
Reduction,
interruption
and variance of
voltage in
power supply
input lines
IEC 61000-4-11
Magnetic field in
frequency of
power supply
(50/60Hz)
IEC 61000-4-8
3 A/m
0,3 A/m
± 6 kV Contact
± 8 kV Air
± 6 kV
± 8 kV
Contact
Air
± 2 kV in power
supply lines
± 1 kV lines (s) to
lines (s)
± 1 kV lines (s) to
lines (s)
± 2 kV in power
supply lines
± 1 kV in input /
output lines
± 2kV lines (s) to
ground
± 2kV lines (s) to
ground
± 1 kV in input /
output lines
< 5%
(>95% drop in
)
for 0,5 cycle
40%
(60% drop in t)
for 5 cycles
70%
(30% drop in
)
for 25 cycles
< 5%
(>95% drop in
)
for 5s
U
Ut
U
U
U
U
U
U
t
t
t
t
t
t
< 5%
(>95% drop in
)
for 0,5 cycles
40%
(60% drop in
)
for 5 cycles
70%
(30% drop in
)
for 25 cycles
< 5%
(>95% drop in
)
for 5s
U
U
U
U
U
U
U
U
t
t
t
t
t
t
t
t
NOTE
U
t is the a.c. power supply voltage before the application of the test level
Floors should be wooden,
concrete or ceramic. If the
floor
is
covered
with
synthetic
material,
the
relative humidity should be
at least 30%
It
is
advisable
that
the
quality of the power supply
should be that of hospital or
t y p i c a l
c o m m e r c i a l
environment
It
is
advisable
that
the
quality of the power supply
should be that of hospital or
t y p i c a l
c o m m e r c i a l
environment
TECHNICAL SPECIFICATIONS
Electromagnetic Emissions
