Verity Medical NeuroTrac IFC Rehab Operation Manual page 34

Ifc stimulator/dual channel tens&nms stimulator
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Table 206:
Recommended separation distances between portable and mobile
RF communications equipment and NeuroTrac™ product
The NeuroTrac™ product is intended for use in an electromagnetic environment
in which radiated RF disturbances are controlled. The customer or the user of
the NeuroTrac™ product can help prevent electromagnetic interference by
maintaining a minimum distance between portable and mobile RF communica�
tions equipment (transmitters) and the NeuroTrac™ product as recommended
below, according to the maximum output power of the communications equip�
ment
Rated maxi-
mum output
power of
transmitter
W
0,01
0,1
1
10
100
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.
Separation distance according to frequency of transmitter
150 kHz to 80 MHz
d =1.2 √P
0.12
0.38
1.2
3.8
12
NeuroTrac™ IFC Rehab Operation Manual
80 MHz to 800 MHz
d =√1.2 P
0.12
0.38
1.2
3.8
12
34
800 MHz to 2,5 GHz
d = √2.3 P
0.23
0.73
2.3
7.3
23

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