EN
19
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.
Interference may occur in
the vicinity of equipment
marked with the following
symbol:
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
3V
3 V/m
Portable and mobile
RF communications
equipment should
be used no closer
to any part of
the BPU321OS
Blood Pressure
Monitor, including
cable s, than the
recommended
separation distance
calculated from the
equation applicable
to the frequency of
the transmitter.
Recommended
separation distance
P
V
d
]
5
.
3
[
1
=
P
E
d
]
5
.
3
[
1
=
80 MHz to 800 MHz
P
E
d
]
7
[
1
=
800 MHz to 2.5 GHz
BPU321OS_UM_EN_R20.indd 19
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