Publicidad
IEC61000-4-6
80 MHz
outside
bands
3
V/m
Radiated RF
MHz to
IEC61000-4-3
2.5 GHz
Note 1: At 80 MHz to 800 MHz, the separation distance for the higher frequency range applies.
Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and
reflection from structures, objects and people.
a
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land
mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with
accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey
should be considered. If the measured field strength in the location in which the device is used exceeds the
applicable RF compliance level above, the device should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as re-orienting or relocating the device.
b
Over frequency range 150kHz to 80MHz. For Resp field strength should be less than 1V/m.
Recommended separation distances between portable and mobile RF communications equipment and the device
The Health Monitor is intended for use in an electromagnetic environment in which radiated RF disturbances are
controlled. The customer or the user of the Health Monitor can help prevent electromagnetic interference by
maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and
the monitor as recommended below, according to the maximum output power of the communications equipment.
Rated max. output
power
of
transmitter (W)
0.01
0.1
1
10
100
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in
80 MHz
ISM
outside
ISM
bands
80
3 V/m 80 MHz
to
2.5 GHz
Separation distance according to frequency of the transmitter (m)
150 kHz - 80 MHz
=
d
1
2 .
P
0.12
0.38
1.20
3.80
12.00
including cables, than the recommended separation
distance calculated from the equation appropriate for the
frequency of the transmitter. Recommended separation
distances:
=
d
1
.
2
Recommended separation distances:
80 MHz～800 MHz:
d
800MHz-2.5GHz:
=
d
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 meters (m).
Field strengths from fixed RF transmitters, as determined
by an electromagnetic site survey
the compliance level in each frequency range
Interference may occur in the vicinity of equipment
marked with the following symbol:
80
MHz
-
800
=
d
1
2 .
P
0.12
0.38
1.20
3.80
12.00
26
P
=
1
2 .
P
2
3 .
P
a
, should be less than
MHz
800 MHz - 2.5 GHz
=
d
2
3 .
0.23
0.73
2.30
7.30
23.00
b
.
P
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