Atmos Variotherm plus - Page 25

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11.0 Notes on EMC
11.4 Recommended separations between portable and mobile RF Communications
equipment and the ATMOS
®
Variotherm plus
NOTE1By80MHzand800MHzthehigherfrequencyrangeapplies.
NOTE 2
Theseguidelinesmaynotbeapplicableinallcases.Theemanationofelectromagneticwavesisaffectedbyabsorptionand
reectionofbuildings,objectsandpeople.
TheATMOS
®
VariothermplusisintendedforuseinanelectromagneticenvironmentinwhichHFdisturbancesarecontrolled.
ThecustomeroruseroftheATMOS
®
Variotherm plus can thereby help to prevent electromagnetic interference by maintaining a
minimumdistancebetweenportableandmobileHFcommunicationequipment(transmitters)andtheATMOS
®
Variotherm plus -
dependingontheoutputofthecommunicationdeviceasindicatedbelow.
Safety distance, depending on transmit-frequency m
Nominal output of the
transmitter
W
150 kHz to 80 MHz
d = [ 3,5 / 3] √P
80 MHz to 800 MHz
d = [ 3.5 / 3] √P
800 MHz to 2.5 GHz
d = [ 7.0 / 3] √P
0.01 0.12 0.12 0.24
0.1 0.37 0.37 0.74
1 1.2 1.2 2.4
10 3.69 3.69 7.38
100 11.66 11.66 23.32
Fortransmittersforwhichthemaximumnominaloutputisnotindicatedintheabovetable,therecommendedsafetydistance
dinmeters(m)canbedeterminedusingtheequationbelongingtotherespectivecolumnwhereasPisthemaximumnominal
outputofthetransmitterinwatts(W)acc.tomanufacturer'sspecication.
NOTE 1
With80MHzand800MHzthehigherfrequencyrangeapplies.
NOTE 2
Theseguidelinesmaynotbeapplicableinallcases.Theemanationofelectromagneticwavesisaffectedbyabsorptionand
reectionofbuildings,objectsandpeople.
a
Theeldstrengthofstationarytransmitters,suchasbasestationsofcellularphonesandmobileterrainradioequipment,
amateurradiotransmitters,cbmbroadcastandTVstationscannotbepredestinedexactly.Todeterminetheelectromagnetic
environmentinregardtostationarytransmitters,astudyofthelocationistobeconsidered.Iftheeldstrengthmeasuredat
thesitewheretheATMOS
®
Variothermplusisusedexceedsthecompliancelevelabove,theATMOS
®
Variotherm plus must
beobservedtodemonstrateproperfunction.Ifabnormalperformanceisobserved,additionalmeasuresmaybenecessary,
suchasreorientingorrelocatingtheATMOS
®
Variotherm plus.
b
Withinthefrequencyrangeof150kHzto80MHztheeldstrengthshouldbebelow3V/m.