Electromagnetic compatibility information
Electromagnetic compatibility information
42
43
For ME EQUIPMENT and ME SYSTEMS that are
not LIFE-SUPPORTING
Table 3
Guidance and manufacture s declaration-electromagnetic immunity
'
The YE660E is intended for use in the electromagnetic environment
specified below. The customer or the user of YE660E should assure
that it is used in such an environment.
Immunity
test
IEC 60601
test level
Compliance
level
3 Vrms
0,15 MHz-80 MHz
6 V rms in ISM and amateur
radio bands between
0,15 MHz and 80 MHz
80 % Am at 1 kHz
Conducted RF
IEC 61000-4-6
NOTE1 At
80
MHz
and
800
MHz
,
the
higher
frequency
range
applies
.
NOTE2 These
guidelines
may
not
apply
in
all
situations
.
Electromagnetic
propagation
is
affected
by
absorption
and
reflection
from
structures
,
objects
and
people
.
a
Field
strengths
from
fixed
transmitters
,
such
as
base
stations
for
radio
(
cellular
/
cordless
)
telephones
and
land
mobile
radios
,
amateur
radio
,
AM and
FM
radio
broadcast
and
TV
broadcast
cannot
be
predicted
theoretically
with
accuracy
.
To
assess
the
electromagnetic
environment
due
to fixed
RF
transmitters
,
an
electromagnetic
site
survey
should
be
considered
.
If
the
measured
field
strength
in
the
location
in
which
the
YE660E
is
used exceeds
the
applicable
RF
compliance
level
above
,
the
YE660E
should
be
observed
to
verify
normal
operation
.
If
abnormal
performance
is
observed
,
additional
measures
may
be
necessary
,
such
as
reorienting
or
relocating
the
YE660E
.
b
Over
the
frequency
range
150
kHz
to
80
MHz
,
field
strengths
should
be
less
than
3
V
/
m
.
Radiated RF
IEC 61000-4-3
10 V/m
80 MHz to
2.7 GHz
3 Vrms
0,15 MHz-80 MHz
6 V rms in ISM and amateur
radio bands between
0,15 MHz and 80 MHz
80 % Am at 1 kHz
10 V/m
80 MHz to
2.7 GHz
a)
Band
(MHz)
a)
Service
(MHz)
Modulation
b)
Maximum
power
(MHz)
IMMUNITY
TEST LEVEL
(V/m)
Distance
(m)
380-390
TETRA 400
Pulse
b)
modulation
18 Hz
1,8
0,3
27
385
430-470
FM
±5 kHz deviation
1 kHz sine
2
28
450
GMRS 460,
FRS 460
0,3
710
704-787
LTE Band 13,
17
0,3
9
745
780
Pulse
b)
modulation
217 Hz
0
,
2
810
800-960
GSM 800/900,
TETRA 800,
iDEN 820,
CDMA 850,
LTE Band 5
0,3
28
930
Pulse
b)
modulation
18 Hz
2
1720
1700-1990
GSM 1800;
TETRA 1900;
GSM 1900;
DECT;
LTE Band 1,3,
4,25; UMTS
0,3
28
1970
Pulse
b)
modulation
217 Hz
2
870
1845
Bluetooth,
WLAN,
802.11 b/g/n
RFID 2450,
LTE Band 7
0,3
2450
Pulse
b)
modulation
217 Hz
2400-2570
2
28
WLAN
802.11a/n
0,3
Pulse
b)
modulation
217 Hz
5240
5500
5785
5100-5800
0
,
2
9
NOTE If necesary to achieve the IMMUNITY TEST LEVEL, the distance between the transmitting
antenna and theME EQUIPMENT or ME SYSTEM may be reduced to 1 m. The 1 m test distance is permitted by
IEC61000-4-3.
b
a) For some services, only the uplink frequencies are included.
b) The carrier shall be modulated using a 50% duty cycle square wave signal.、
c) As an alternative to FM modulation, 50% pulse modulation at 18 Hz may be used because while it
does not
frequency
(MHz)
Test
Table 4-Test specifications for ENCLOSURE
P
ORT
IMMUNITY to RF wireless communications
equipment
YE660 (
)
尺寸：180X142.5mm 色彩：准确、单色，层次分明
纸张：80克双胶纸 印后加工：对折装订
E CE认证 电子血压计说明书印刷要求
Summary of Contents for YE660E
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