Guidance and Manufacturer's Declaration
D-4
TABLE 3
GUIDANCE AND MINDRAY DECLARATION—ELECTROMAGNETIC IMMUNITY
The system is intended for use in the electromagnetic environment specified below. The
customer or the user of system should assure that it is used in such an environment.
IMMUNITY
TEST
IEC 60601-1-2
TEST LEVEL
COMPLIANCEL
EVEL
ELECTROMAGNETIC
ENVIRONMENT-GUIDANCE
Conduced
RF IEC
1000-4-6
3 Vrms
150kHz to
80MHz
1 Vrms
Portable and mobile RF
communications equipment should be
used no closer to any part of system,
including cables, than the
recommended separation distance
calculated from the equation applicable
to the frequency of the transmitter.
Recommended separation distance
d = 3.5 x
P
d = 1.2 x
P
80 MHz to 800 MHz
d = 2.3 x
P
800 MHz to 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).b
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 IEC
1000-4-3
3 V/m
80MHz to 2.5
GHz
3V/m
Note 1 At 80 MHz and 800 MHz, the higher frequency range applies.
Note 2 These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects and people.
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless)
telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV
broadcast cannot be predicted theoretically with accuracy. To assess the
electromagnetic environment due to fixed RF transmitters, an electromagnetic site
survey should be considered. If the measured field strength in the location in which
system is used exceeds the applicable RF compliance level above, system should be
observed to verify normal operation. If abnormal performance is observed, additional
measures may be necessary, such as reorienting or relocating system.
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