Chison ECO 2 - Page 191

ECO 2 Ultrasound Diagnostic System
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Recommended separation distances between
portable and mobile RF communications equipment and the ECO 2
The ECO 2 is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the ECO 2 can help prevent
electromagnetic interference by maintaining a minimum distance between portable and
mobile RF communications equipment (transmitters) and the ECO 2 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
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 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 structures, objects and people.