18
Power
frequency
(50/60Hz)
Magnetic field
IEC 61000-4-8
3 A/m
3 A/m
Power frequency magnetic
fields should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
NOTE
U
T
is the a.c. mains voltage prior to application of the test level
Guidance and manufacturer’s declaration – electromagnetic immunity
ArjoHuntleigh Battery Charger
is intended for use in the electromagnetic environment specified
below. The customer or the user of
ArjoHuntleigh Battery Charger
should assure that it is used in
such an environment.
Immunity test
IEC
60601
test level
Compli-
ance
level
Electromagnetic environment
–
guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
3 Vrms
150 kHz to
80 MHz
3 V/m
80 MHz to
2.5 GHz
3 Vrms
3 V/m
Portable and mobile RF communications
equipment should be used no closer to any part of
ArjoHuntleigh Battery Charger
, including cables,
than the recommended separation distance
calculated from the equation applicable to the
frequency of the transmitter.
Recommended separation distance
d=0,35
√
P
d=1,2
√
P 80 MHz to 800 MHz
d=2,3
√
P 800 MHz to 2.5 GHz
Where
P
is the maximum output power rating of
the transmitters in watts (W) according to the
transmitter manufacturer and
d
is the recommended
separation distance in metres (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: