SONAR User Manual
14423-INS-LAB-RevD11 37
ElectromagneticImmunity—forallEquipment
andSystems thatarenotLife-Supporting
Guidanceandmanufacturer’sdeclaration—
electromagneticimmunity
The Grafco Ultrasound Pocket Doppler System is intended for use in the 
electromagnetic environment specied below. Do not use the system in 
environments which do not comply with the specications listed below.
Immunity
test
IEC60601
testlevel
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:










