36
Table 206
Recommended separation distances between portable and mobile RF communications equipment and the PREVENA
PLUS™ 125 Therapy Unit
The PREVENA PLUS™ 125 Therapy Unit is intended for use in an electromagnetic environment in which radiated
RF disturbances are controlled. The customer or the user of the PREVENA PLUS™ 125 Therapy Unit can help
prevent electromagnetic interference by maintaining a minimum distance between the portable and mobile RF
communications equipment (transmitters) and the unit as recommended below, according to the maximum output
power of the communications equipment.
Rated maximum ouput
power of transmitter in
watts (W)
Separation distance according to frequency of transmitter in meters (m)
150 kHz to 80 MHz
d = 1.2 √P
80 MHz to 800 MHz
d = 0.35 √P
800 MHz to 2.5 GHz
d = 0.7 √P
0.01 .12 .04 .07
0.1 .38 .11 .22
1 1.2 .35 .7
10 3.8 1.1 2.2
100 12 3.5 7
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.
INCLUDED POWER SUPPLIES
Part Number Description Manufacturer Max Length
44000919 Power Supply, 240V Inventus Power 3.10 m
44001674 Power Supply, 5V, 10W Inventus Power 1.03 m
413628 Cord, V.A.C.® Power, US Consolidated Wire 2.08 m
413625 Cord, V.A.C.® Power, UK-240V Consolidated Wire 2.08 m
413626 Cord, V.A.C.® Power, EU-240V Consolidated Wire 2.08 m
413627 Cord, V.A.C.® Power, AU/NZ 240V Consolidated Wire 2.08 m
413992 Cord, V.A.C.® Power, CH-240V Consolidated Wire 2.08 m
414961 Cord, V.A.C.® Power, South Africa Consolidated Wire 2.08 m
The use of electrical cables and accessories other than those specified in the supplied instructions for
use or referenced documents may result in increased electromagnetic emissions from the PREVENA
PLUS™ 125 Therapy Unit or decreased electromagnetic immunity of the PREVENA PLUS™ 125 Therapy
Unit.
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