SONAR User Manual
14423-INS-LAB-RevD11 36
11APPENDIXB,EMCINFORMATION
GUIDANCEANDMANUFACTURER’S
DECLARATION
ElectromagneticEmissions—forallEquipment
andSystems
Guidanceandmanufacturer’sdeclaration—
electromagneticemission
The Grafco Ultrasound Pocket Doppler 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.
Emission
test
Compliance Electromagneticenvironment–
guidance
RF emission 
CISPR 11
Group 1 The Grafco Ultrasound Pocket Doppler 
uses RF energy only for its internal function. 
Therefore, its RF emissions are very low 
and are not likely to cause any interference 
in nearby electronic equipment.
RF emission 
CISPR 11
Class B The Grafco Ultrasound Pocket Doppler 
is suitable for use in all establishments, 
including domestic establishments and 
those directly connected to the public 
low-voltage power supply network that 
supplies buildings used for domestic 
purposes.
ElectromagneticImmunity—forallEquipment
andSystems
Guidanceandmanufacture’sdeclaration—electromagnetic
immunity
The Grafco Ultrasound Pocket Doppler 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
Electrostatic 
discharge 
(ESD) IEC 
61000-4-2
±6 kV 
contact ±8 
kV air
±6 kV 
contact ±8 
kV air
Floors should be wood, 
concrete or ceramic tile. If 
oor is covered with synthetic 
material, the relative humidity 
should be at least 30% RH.










