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IEC 61000-4-8
NOTE
U
T
is the a.c. mains voltage prior to application of the test level.
Guidance and manufacturer’s declaration – electromagnetic
immunity
The FT7122 is intended for use in the electromagnetic environment specified below. The customer or the user of
the FT7122 should assure that it is used in such an environment.
Immunity
test
IEC 60601 test
level
Compliance
level
Electromagnetic environment
–
guidance
Radiated RF
IEC 61000-4-3
3 V/m
80 MHz to 2,5 GHz
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any
part of the FT7122 including cables, than
the recommended separation distance
calculated from the equation applicable to
the frequency of the transmitter.
Recommended separation distance
d =
1,2
d =
1,2
80 MHz to 800 MHz
d =
2,3
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:
