69
Power
frequency
(50/60
Hz)
magnetic field
IEC 61000-4-8
3A/m
3A/m
Power frequency magnetic
fields should be at levels
characteristic of a typical
location
in
a
typical
commercial or hospital
environment.
NOTE: UT is the a.c. mains voltage prior to application of the test level.
Guidance and manufacture’s declaration-electromagnetic immunity
The device is intended for use in the environment specified below. Buyer or operator should
assure that it is used in such environment.
Immunity
test
IEC60601
test level
Compliance
level
Electromagnetic environment -guidance
Conducted
RF
IEC61000-4
-3
3 Vrms
150kHz
～
80MHz
3 Vrms
Portable and mobile RF communications
equipment should be used no closer to any
part of the device, including cables, than the
recommended separation distance calculated
from the equation applicable to the frequency
of the transmitter.
Recommended separation distance
d=1.2
√
P
d=1.2
√
P 80MHz-800MHz
d=2.3
√
P 800MHz-2.5GHz
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:
Radiated RF
IEC61000-4
-3
3 V/m
80 MHz
～
2.5 GHz
3 V/m
Summary of Contents for 1200G ECG
Page 66: ...60 ...
