Product Manual

M3A Vital Signs Monitor User Manual EMC Information
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A2.3 Electromagnetic Immunity - For EQUIPMENT and
SYSTEMS that are not LIFE-SUPPORTING
Guidance and manufacturer’s declaration – electromagnetic immunity
The M3A is intended for use in the electromagnetic environment specified below. The
customer or the user of M3A should assure that it is used in such an environment.
Immunity
test
IEC/EN 60601 test
level
Compliance
level
Electromagnetic environment
-guidance
Conducted
RF IEC/EN
61000-4-6
Radiated RF
IEC/EN
61000-4-3
3 Vrms
150 kHz to 80 MHz
3 V/m
80 MHz to 2.5 GHz
3Vrms
3 V/m
Portable and mobile RF communications
equipment should be used no closer to
any part of the EUS T Ultrasound
Scanner, including cables, than the
recommended separation distance
calculated from the equation applicable to
the frequency of the transmitter.
Recommended separation distance
P
V
d
⎥
⎦
⎤
⎢
⎣
⎡
=
1
5.3
P
E
d
⎥
⎦
⎤
⎢
⎣
⎡
=
1
5.3
80 MHz to 800 MHz
P
E
d
⎥
⎦
⎤
⎢
⎣
⎡
=
1
7
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 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
Interference may occur in the vicinity of
equipment marked with the following
symbol: