Use Instructions
SAIT‐IFU‐GEMS‐HRev.1.1(2019‐11) Page74of79
Guidanceandmanufacturer'sdeclaration‐electromagneticimmunity
TheGEMS‐Hisintendedforuseintheelectromagneticenvironmentspecifiedbelow.ThecustomerortheuseroftheGEMS‐Hshould
assurethatitisusedinsuchanenvironment.
Immunitytest
IEC60601
testlevel
Compliancelevel Electromagneticenvironment‐guidance
ConductedRF
IEC61000‐4‐6
RadiatedRF
IEC61000‐4‐3
3Vrms
150kHzto80MHz
OutsideISMbands
c
6Vrms
150kHzto80MHzinISM
bands
c
3V/m
80MHzto2.7GHz
3Vrms
6Vrms
3V/m
Portable and mobile RF communications equipment
shouldbe usednocloser to anypart ofthe GEMS‐H,
including cable. Then the recommended separation
distancecalculatedfromtheequationappliancetothe
frequencyofthetransmitter.
Recommendedseparationdistance
d=1.2
𝑝
IEC60601‐1‐2:2014
d=2.0
𝑝
80MHzto2.7GHz
WherePisthemaximumoutputpowerratingofthe
transmitter in watts (W) according to the transmitter
manufacturer and d is the recommended separation
distanceinmeters(m).
Field strengths from fixed RF transmitters, as
determinedbyanelectromagneticsitesurvey,
a
should
be less than the compliance level in each frequency
range.
b
Interference may occur in the vicinity of equipment
markedwithfollowingsymbol:
NOTE1:At80MHzand800MHz,thehigherfrequencyrangeapplies.
NOTE 2: These guidelines may not apply in all situations; Electromagneticpropagationisaffectedbyabsorptionandreflectionfrom
structures,objects,andpeople.
aFieldstrengthsfromfixedtransmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur
radio,AMandFMradiobroadcastandTVbroadcastcannotbepredictedtheoreticallywithaccuracy.
To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the
measuredfieldstrengthinthelocationinwhichtheGEMS‐HisusedexceedstheapplicableRFcompliancelevelabove,theGEMS‐Hshould
beobservedtoverifynormaloperation.Ifabnormalperformanceisobserved,additionalmeasuresmaybenecessary,suchasreorientingor
relocatingtheGEMS‐H.
bOverthefrequencyrange150kHzto80MHz,fieldstrengthsshouldbelessthan3V/m.
cTheISM(industrial,scientificandmedical)bandsbetween150kHzand80MHzare6.765MHzto6.795MHz;13.553MHzto13.567MHz:
26.957MHzto27.283MHz;and40.66MHzto40.70MHz.