S
S
S
R
R
R
F
F
F
6
6
6
1
1
1
8
8
8
B
B
B
6
6
6
U
U
U
s
s
s
e
e
e
r
r
r
’
’
’
s
s
s
M
M
M
a
a
a
n
n
n
u
u
u
a
a
a
l
l
l
～58～
environment.
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 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 be that of
a typical commercial or hospital
environment. If a dips or an
interruption of mains power occurs,
the current of the SRF618B6 may be
dropped off from normal level, it may
be necessary to use uninterruptible
power supply or a battery.
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
3 A/m
3A/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 a.c. mains voltage prior to application of the test level
Table 3. Guidance and manufacturer’s declaration – electromagnetic immunity
The SRF618B6 is intended for use in the electromagnetic environment specified below. The customer or the
user of the SRF618B6 should assure that it is used in such an environment.
Immunity test
IEC 60601
test level
Compliance
level
Electromagnetic environment – guidance
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 Vrms
3 V/m
Portable and mobile RF communications equipment
should be used no closer to any part of the SRF618B6,
including cables, than the recommended separation
distance calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance
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 metres (m).
Field strengths from fixed RF transmitters, as
determined by an electromagnetic site survey,a should
be less than the compliance level in each frequency
range.b
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