Johnson & Johnson BPL II, Instructions For Use Manual

Page: 72 / 76

Electromagnetic Compatibility
Accompanying Documents According to IEC 60601-1-2, 2007, Clause 6
Table 6: Recommended separation distances (not life-supporting devices)
Recommended separation distances between portable and mobile RF communications equipment and
the BPL or BPL II System
The BPL or BPL II System is intended for use in the electromagnetic environment in which radiated RF distur-
bances are controlled. The customer or the user of the BPL or BPL II System can help prevent electromag-
netic interference by maintaining a minimum distance between portable and mobile RF communications
equipment (transmitters) and the BPL or BPL II System as recommended below, according to the maximum
output power of the communication equipment.
Separation distance according to frequency of transmitter
m
Rated maximum output
power of transmitter
W
150 kHz to 80 MHz
d = 0.35
P
80 MHz to 800 MHz
d = 0.35
P
0.8 GHz to 2.5 GHz
d = 0.7
P
0.01 0.04 m 0.04 m 0.07 m
0.1 0.12 m 0.12 m 0.23 m
1 0.35 m 0.35 m 0.7 m
10 1.11 m 1.11 m 2.3 m
100 3.5 m 3.5 m 7 m
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 80 MHz and 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 struc-
tures, objects and people.
Note 3:
An additional factor of 10/3 is used in calculating the recommended separation distance to decrease the likelihood that mo-
bile/portable communications equipment could cause interference if it is inadvertently brought into patient areas.
70
DePuy Synthes
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