Guidance and manufacturer’s declaration – electromagnetic immunity –
for EQUIPMENT and SYSTEM that are not LIFE-SUPPORTING
Guidance and manufacturer’s declaration – electromagnetic immunity
The SF-371 body fat scale is intended for use in the electromagnetic environment specified below. The customer or
the user of the SF-371 body fat scale 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
N/A
3 V/m
Portable and mobile RF communications equipment
should be used no closer to any part of the
SF-371 body
fat scale ,
including cables, 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
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).
b
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: