Recommended Separation Distances - DeVilbiss Healthcare UltraNeb Manual Del Usuario

Note 1:
At80MHzand800MHzthe
higherfrequencyrangeis
applicable�
Note 2:
Theseguidelinesmaynotbe
applicableinallcases�Thepropa-
gationofelectromagneticwaves
isinfluencedbyabsorptionand
reflectionbybuildings,objects
andpeople
a) T hefieldstrengthofstationary
transmitters,e�g�basestations
ofmobiletelephonesand
mobilelandradio,amateur
radiostations,AMandFM
radioandTVtransmitters,can-
notaccuratelybedetermined
theoreticallyinadvance�To
determinetheelectromagnetic
environmentduetostationary
transmitters,aninvestigation
ofthesiteshouldbeconsid-
ered�Ifthefieldstrength,
measuredatthelocation
wheretheUltraNebultrasonic
nebulizerisused,exceedsthe
abovecompliancelevels,the
UltraNebultrasonicnebulizer
shouldbemonitoredtodeter-
minethatitisoperatingcor-
 r ectly�Ifanyabnormalbehav-
iourisobserved,furthermeas-
uresmayberequired,e�g�resit-
ingoftheUltraNebultrasonic
nebulizer�
b) O verthefrequencyrange
150kHzto80MHzthefield
strengthshouldbebelow
3V/m�
34
Electromagnetic immunity (continued)
Electromagneticenvironment-Guidance:Portableandmobileradiodevicesshouldbeoper-
atednoclosertotheUltraNebultrasonicnebulizerincludingcablesthantherecommended
safedistancecalculatedfromtheequationcorrespondingtothetransmittedfrequency�
Immunity test IEC 60601
Test level
 
ConductedHF 3Vrms
disturbance 150kHz-80MHz
IEC61000-4-6
RadiatedHF 3V/m
disturbance 80MHz-2,5GHz
IEC61000-4-3
wherePisthetransmitterratedpowerinWatts(W)asstatedbythetransmittermanu-
factureranddistherecommendedseparationdistanceinmetres(m)
Measurementon-site(seea)shouldshowthefieldstrengthofstationaryradiotransmit-
terstobelessthanthecompliancelevel(seeb)atallfrequencies�
Disturbancesarepossibleintheneighbourhoodofdevicesthatcarrythe
followingsymbol�

Recommended separation distances

...between portable and mobile HF telecommunications devices and the UltraNeb ultra -
sonic nebulizer.TheUltraNebultrasonicnebulizerisintendedforoperationinanelectro-
magneticenvironmentinwhichtheHFdisturbancelevelsarecontrolled�Thecustomeror
useroftheUltraNebultrasonicnebulizercanhelptoavoidelectromagneticinterference
byrespectingtheminimumdistancebetweenportableandmobileHFtelecommunications
devices(transmitters)andtheUltraNebultrasonicnebulizer–dependingontheoutput
powerofthecommunicationsdeviceasshownbelow�Separationdistanceinmetres
dependingonthetransmittedfrequency:
Transmitter rated 150 KHz - 80 MHz
power in Watts d = 1.2 √P
0�01
0�10
1�00
10�00
100�00
Fortransmitterswithamaximumratedpowernotgiveninthetable,therecommended
separationdistanceinmetres(m)canbedeterminedbyuseoftheequationintheappro-
priatecolumn,wherePisthemaximumratedpowerofthetransmitterinWatts(W)as
statedbythetransmittermanufacturer
Compliance
level

3Vrms
 
150kHz-80MHz
3V/m
80MHz-2,5GHz
80 MHz - 800 MHz
d = 1.2 √P
0�12
0�38
1�20
3�80
12�00
Electromagnetic environ-
ment – Guidance
Recommendedseparation
distance:
d=1�2√P
(for150kHz-80MHz)
d=1�2√P
(for80MHz–800MHz)
d=2�4√P
(for800MHz–2,5GHz)
800 MHz - 2,5 GHz
d = 2.4 √P
0�12 0�24
0�38 0�76
1�20 2�40
3�80 7�60
12�00 24�00