Recommended separation distance between portable and mobile RF communications
equipment and the MEDICAL SCALE
The MEDICAL SCALE M-999 is intended for use in an electromagnetic environment in which
radiated RF disturbances are controlled. The customer or the user of the MEDICAL SCALE M-
999 can help prevent electromagnetic interference by maintaining a minimum distance
between portable and mobile RF communications equipment (transmitters) and the
MEDICAL SCALE 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
150 kHz to
80 MHz
d =1,2√
P
80 MHz to
800 MHz
d =1,2√
P
800 MHz to 2,5 GHz
d =2,3√
P
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 metres (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.
NOTE1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range
applies.
NOTE2 These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.
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Summary of Contents for M-999
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