C-6 250 Series Maternal/Fetal Monitor Revision D
2020551-001
Electromagnetic Compatibility: Electromagnetic Compatibility (EMC)
Recommended Separation Distances
The table below provides the recommended separation distances (in meters)
between portable and mobile RF communications equipment and the 250 Series
Maternal/Fetal Monitor.
The 250 Series Maternal/Fetal Monitor is intended for use in the electromagnetic
environment on which radiated RF disturbances are controlled. The customer or the
user of the 250 Series Maternal/Fetal Monitor can help prevent electromagnetic
interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmitters) and the 250 Series Maternal/Fetal
Monitor as recommended below, according to the maximum output power of the
communications equipment.
For transmitters rated at a maximum output power not listed above, the
recommended separation distance [d] in meters (m) can be estimated using the
equitation 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:
These guidelines may not apply in all instances. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.
Separation Distance in Meters (m) According to Frequency of Transmitter
Rated Maximum Output
Power of Transmitter in
Watts
150 kHz to 80 MHz
a
d = 1.2
80 MHz to 800 MHz
a
d = 1.2
800 MHz to 2.5 GHz
a
d = 2.3
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
a
At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
P P P
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