Graham Field GRAFCO 14423-8 User Manual
Page 37
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 specified below. Do not use the system in
environments which do not comply with the specifications listed below.
Immunity
test
IEC 60601
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.
Recommended separation
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 fixed 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: