Beurer BC 58 User Manual download pdf (Page 108)

108

Field strengths from ﬁxed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio,

AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment

due to ﬁxed RF transmitters, an electromagnetic site survey should be considered. If the measured ﬁeld strength in the location in which

the BC 58 is used exceeds the applicable RF compliance level above, the BC 58 should be observed to verify normal operation. If abnormal

performance is observed, additional measures may be necessary, such as re-orienting or relocating the BC 58.

Over the frequency range 150 kHz to 80 MHz, ﬁeld strengths should be less than 3 V/m.

Table 4

For ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING

Recommended separation distances between portable and mobile RF communications equipment and the BC 58

The BC 58 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of

the BC 58 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications

equipment (transmitters) and the BC 58 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

80 MHz to 800 MHz

d = 1.2

800 MHz to 2.5 GHz

d = 2.3

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 deter-

mined 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 aected by absorption and reﬂection from struc

tures, objects and people.

753.787 - 0415 Irrtum und Änderungen vorbehalten

1 2 ... 103 104 105 106 107 108

No comments

Beurer BC 58 User Manual Page 108