9650-000752-01 Rev. D
ZOLL AED 3 Administrator’s Guide
39
Recommended separation distances between portable and mobile RF
communications equipment and the ZOLL AED 3 defibrillator
The ZOLL AED 3 is intended for use in an environment in which radiated RF disturbances
are controlled. The customer or the user of the ZOLL AED 3
can help prevent
electromagnetic interference by maintaining a minimum distance between portable and
mobile RF communications equipment (transmitters) and the ZOLL AED 3 as
recommended below, according to the maximum output power of the communications
equipment.
The recommended separation distance should be the distance calculated from one of the
equations below, or 30 cm, whichever is greater.
Separation distance in meters (m) according to frequency of
transmitter
Rated maximum
output power of
transmitter in
watts (W)
150 kHz to 80
MHz outside
ISM bands
150 kHz to 80
MHz in ISM
bands
80 MHz to 800
MHz
800MHz to 2.5
GHz
0.01
0.17
0.12
0.12
0.23
0.1
0.37
0.38
0.38
0.73
1
1.17
1.20
1.20
2.3
10
3.69
3.79
3.79
7.27
100
11.70
12.00
12.00
23.00
For transmitters rated at a maximum output power not listed above, the recommended
separation distance d in metres (m) can be determined 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
: The ISM (industrial, scientific and medical) bands between 150 kHz and 80 MHz
are 6.765 MHz to 6.795 MHz; 13.553 MHz to 13.567 MHz; 26.957 MHz to 27.283 MHz; and
40.66 MHz to 40.70 MHz.
NOTE 3
: An additional factor of 10/3 is used in calculating the recommended separation
distance for transmitters in the ISM frequency bands between 150 kHz and 80 MHz and in
the frequency range 80 MHz to 2.5 GHz to decrease the likelihood that mobile/portable
communications equipment could cause interference if it is inadvertently brought into
patient areas.
NOTE 4
: These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.
d
=
P
3.5
3
[
]
d
=
P
12
10
[
]
d
=
P
12
10
[
]
d
=
P
23
10
[
]
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