
63
Table 3
:
Electromagnetic disturbance guidance and manufacturer statement
This system can be used in a specified electromagnetic environment, users should ensure the use in
the electromagnetic environment in the following provisions.
Immunity test
IEC 60601 Test
level
Accord
level
Electromagnetic environment - A
Guide
Conduction
disturbance
rejection IEC
61000-4-6
3 Vrms
150 kHz - 80 MHz
1 Vrms
Portable
and
mobile
radio
communication equipment must be from
the equipment and / or system (including
cable included) use any parts of the
prescribed distance. This is based on the
isolation distance transmitter frequency
selection equation is calculated. The
calculation formula is recommended
isolation distance
:
d = 3.5 x
P
d = 1.2 x
P
80 MHz to 800 MHz
d = 2.3 x
P
800 MHz to 2.5GHz
Among them, P is the rated maximum
output
power
of
transmitter
manufacturers, is a unit of Watt; D is the
recommended distance, the units are in
meters.
Through
the
measurement
of
a
electromagnetic field by RF transmitter
in each frequency range of B must be less
than meets the level
。
Among them, P is the rated maximum
output
power
of
transmitter
manufacturers, is a unit of Watt; D is the
recommended distance, the units are in
meters.
Through
the
measurement
of
a
electromagnetic field by RF transmitter
in each frequency range of B must be less
than meets the level.
Radiated
immunity
IEC
61000-4-3
10 V/m
80MHz
–
2.7GHz
10 V/m
Be careful 1: In 80MHz-800MHz, using a higher frequency formula
Be careful 2: These guidelines do not apply in all cases. The material structure, objects and
people can absorb and reflect electromagnetic waves, thus affecting the electromagnetic