Fazzini FM5000C - Page 152

V-4
FM5000C - FM5000PLUS
Maternal/Fetal Monitor
User Manual
(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:
NOTE 1 At 80MHz and 800MHz, the higher frequency range applies.
NOTE2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorptionand 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 monitor is used exceeds the applicable RF compliance level above, the monitor
should be observed to verify normal operation. If abnormal performance is observed, additional
measures may be necessary, such as reorienting or relocating the monitor .
b
Over the frequency range 150kHz to 80MHz, field strengths should be less than 3V/m.
Recommended separation distances between
portable and mobile RF communications equipment and the monitor
The monitor is intended for use in an electromagnetic environment in which radiated RF disturbances are
controlled. The customer or the user of the 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 maximum
output power of
transmitter (W)
Separation distance according to frequency of transmitter (m)
150kHz to 80MHz
d = 1.2 P
80MHz to 800MHz
d = 1.2 P
800MHz to 2.5GHz
d =2.3 P
0.01
0.12
0.12
0.23
0.1
0.38
0.38
0.73
1
1.2
1.2
2.3
10
3.8
3.8
7.3
100
12
12
23
For transmitters rated at a maximum output power not listed above, the recommended separation distance d
in meters (m) can be estimated using the equation applicable to the frequency of the transmitter, where P is
the maximum output power rating of the transmitter in watts (W) according to the transmitter manufacturer.
NOTE 1 At 80MHz and 800MHz, 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.