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Safety
advice
3.4.3
Recommended safety distance
Recomme nde d safety distances between portable and mobile
HF telecommunicati ons de vices and the Barkey plas mather m
The Barkey plas matherm is intended for operation in an e lectro magnetic environ ment in
which HF interfe rence is controlled. The customer or user of the Barkey plasmatherm can help
avoid electro magnetic interfe rence by observing the minimu m distance between portable an d
mobile HF co mmunications devices (transmitters) and the Barkey plas matherm as stated b e-
low, depending on the output power of the communicat ion device.
Nomi nal
trans mitter
power
W
Safety distance de pendi ng on tr ans mitter fre quenc y m
150 kHz to 80 MHz
P
d
17
,
1
80 MHz to 800 MHz
P
d
17
,
1
800 MHz to 2.5 GHz
P
d
33
,
2
0.01
0.12
0.12
0.23
0.1
0.37
0.37
0.74
1
1.17
1,17
2.33
10
3.69
3.69
7.38
100
11.67
11.67
23.33
For transmitters whose ma ximu m no mina l output is not given in the above table, the recom-
mended safety distance
d
in metres (m) can be determined using the equation belonging to the
appropriate column, where
P
is the ma ximu m no minal output of the transmitter in Watts (W)
as stated by the transmitter manufacturer.
NOTE 1 The higher frequency level applies at 80 M Hz and 800 MHz.
NOTE 2 These guidelines may not apply in all cases. The propagation of electromagnetic
variables is affected by absorption and reflection of buildings, objects and people.
Содержание 212.10043
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