Tenker U80EH, Инструкция по эксплуатации

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22
EMC Declaration
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
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 the blood pressure monitor”
is used exceeds the applicable RF compliance level above, the blood pressure monitor should
be observed to verify normal operation. If abnormal performance is observed, additional
measures may be necessary, such as reorienting or relocating the “blood pressure monitor".
Over the frequency range 150 kHz to 80 MHz, field strengths should be less than [V1] V/m.
a
b
3 V
3 V/m
Portable and mobile RF
communications equipment
should be used no closer to any part
of the ’‘blood pressure monitor” .
including cables, than the
recommended separation distance
calculated from the equation
applicable to the frequency of the
transmitter.
Recommended separation distance
d=1.2VP
d=1.27P 80MHzto800MHz
d=2.3 JP 800MHz 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 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:
Immunity test
IEC 60601
test level
Compliance
level
Electromagnetic
environment - guidance