Takagi OM-8 - Page 52

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EMC Declaration of Conformity
Guidance and manufacturer’s declaration – Electromagnetic immunity
Table4
TheOM-8isintendedforuseintheelectromagneticenvironmentspeciedbelow.Thecustomerortheuserof
theOM-8shouldassurethatitisusedinsuchanenvironment.
ImmunityTest
IEC60601
TestLevel
ComplianceLevel ElectromagneticEnvironment–Guidance
ConductedRF
IEC61000-4-6
RadiatedRF
IEC61000-4-3
3Vrms
150KHzto80MHz
3V/m
80MHzto2.5GHz
3Vrms
3V/m
PortableandmobileRFcommunications
equipmentshouldbeusednoclosertoany
partoftheOM-8,includingcables,thanthe
recommendedseparationdistancecalculated
fromtheequationapplicabletothefrequency
ofthetransmitter.
Recommendedseparationdistance
d=1.2 √
P
d=1.2 √ P 80MHzto800MHz
d=2.3 √
P 800MHzto2.5GHz
WherePisthemaximumoutputpowerrating
ofthetransmitterinwatts(w)accordingto
thetransmittermanufactureranddisthe
recommendedseparationdistanceinmeters(m).
FieldstrengthsfromfixedRFtransmitters,as
determinedbyanelectromagneticsitesurvey
a
,
shouldbelessthanthecompliancelevelineach
frequencyrange
b
.
Interferencemayoccurinthevicinityof
equipmentmarkedwiththefollowingsymbol:
Note1:At80MHzand800MHz,thehigherfrequencyrangeapplies.
Note2:Thesequidelinesmaynotapplyinallsitutions.Electromagneticpropagationisa󱐯ectedbyabsorptionand
reectionfromstructures,objectsandpeople.
a
Fieldstrengthsfromxed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xedRFtransmitters,anelectromagnetic
sitesurveyshouldbeconsidered.IfthemeasuredfieldstrengthinthelocationinwhichtheOM-8isused
exceedstheapplicableRFcompliancelevelabove,theOM-8shouldbeobservedtoverifynormaloperation.If
abnormalperformanceisobserved,additionalmeasuresmaybenecessary,suchasreorientingorrelocating
theOM-8.
b
Overthefrequencyrange150KHzto80MHz,eldstrengthsshouldbelessthan3V/m.