Beurer BM 45 User Manual
Page 108
108
Recommended separation distances between portable and mobile RF communications equipment and the EQUIPMENT or SYSTEM – for
EQUIPMENT or SYSTEM that are not LIFE-SUPPORTING
Recommended separation distances between portable and mobile RF communications equipment and the BM45 blood pressure monitor
The BM45 blood pressure monitor is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The
customer or the user of the BM45 blood pressure monitor can help prevent electromagnetic interference by maintaining a minimum distance
between portable and mobile RF communications equipment (transmitters) and the BM45 blood pressure monitor 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 =
80 MHz to 800 MHz
d =
800 MHz to 2.5 GHz
d =
0.01
0.117
0.117
0.234
0.1
0.370
0.370
0.740
1
1.170
1.170
2.340
10
3.700
3.700
7.400
100
11.7
11.7
23.4
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.
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 struc-
tures, objects and people.
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