Graham Field 14423-4 SONAR User Manual


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14423-INS-LAB-RevD11 37
ElectromagneticImmunity—forallEquipment
andSystems thatarenotLife-Supporting
Guidanceandmanufacturer’sdeclaration—
electromagneticimmunity
The Grafco Ultrasound Pocket Doppler System is intended for use in the
electromagnetic environment specied below. Do not use the system in
environments which do not comply with the specications listed below.
Immunity
test
IEC60601
testlevel
Compliance
level
Electromagnetic
environment—guidance
Radiated
RF IEC
61000-4-3
3 V/m 80
MHz to 2.5
GHz
3 V/m Portable and mobile RF
communications equipment
should be used no closer to any
part of the Grafco Ultrasound
Pocket Doppler, including
cables, than the recommended
separation distance calculated
from the equation applicable to
the frequency of the transmitter.
Recommendedseparation
distance
80 MHz to
800 MHz
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 xed 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:
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